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Mastozoología Neotropical, 24(1):95-119, Mendoza, 2017
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Versión on-line ISSN 1666-0536
Recibido 23 marzo 2016. Aceptado 23 febrero 2017. Editor asociado: G D’Elía
Artículo
TERRESTRIAL MAMMALS 
OF THE JEQUITINHONHA RIVER BASIN, BRAZIL: 
A TRANSITION AREA BETWEEN ATLANTIC FOREST 
AND CERRADO
Lena Geise1, Luciana G. Pereira1, Diego Astúa2, Marcia Aguieiras1, 
Leonardo G. Lessa3, Paulo H. Asfora1, 2, Francisco Dourado4, 
and Carlos E. L. Esberárd5,
1 Laboratório de Mastozoologia, Departamento de Zoologia, IB, Universidade do Estado do Rio de Janeiro, Rio de 
Janeiro, RJ, Brazil. [Correspondence: <lenageise@gmail.com>]
2 Laboratório de Mastozoologia, Departamento de Zoologia, CB, Universidade Federal de Pernambuco Recife, PE, Brazil. 
3 Laboratório de Ecologia, Departamento de Ciências Biológicas, Universidade Federal dos Vales do Jequitinhonha e 
Mucuri, Diamantina, MG, Brazil. 
4 Centro de Pesquisas e Estudo em Desastres, Departamento de Geologia Aplicada, FGEL, Universidade do Estado do 
Rio de Janeiro, Rio de Janeiro, RJ, Brazil. 
5 Laboratório de Diversidade de Morcegos, Departamento de Biologia Animal, Universidade Federal do Rio de Janeiro, 
Seropédica, RJ. Brazil.
ABSTRACT. Here we present an extensive survey for non-volant mammals along the margins of the Jequitinhonha 
River, which represents a contact area between the Cerrado and Atlantic Forest biomes. Our data were ob-
tained after 13 trapping expeditions (from 2005 to 2012) on both banks of the river, from its source to its 
mouth, enriched by data obtained from a literature review and voucher specimens deposited in six mammal 
collections. All collected specimens were identified through their karyotypes and/or morphology. We obtained 
data for 75 localities (34 at the rigth margin, 42 at the left margin; 30 in the Cerrado and 45 in the Atlantic 
Forest). We obtained voucher records for 91 species, ca. 17% of all known Brazilian terrestrial non-volant mam-
mals. Our results include range extensions for six species (Monodelphis scalops, Thylamys velutinus, Calomys 
mattevii, Wiedomys pyrrhorhinos, Galea spixii, Kerodon rupestris), and karyotype information for 26 species (11 
marsupials and 15 rodents), with four new karyotypes. While most species have wide geographical range in 
both biomes, 26 were recorded only in the Cerrado and 19 were recorded only in the Atlantic Forest. Recorded 
species represent 28.7% (6.3% endemic) of the species known from the Cerrado and 21.5% (22.2% endemic) of 
those from the Atlantic Forest. The richness of the fauna recorded in this region supports its importance for 
the understanding of mammal biogeography, diversity and evolution.
RESUMO. Mamíferos terrestres da bacia do Rio Jequitinhonha, Brasil: uma área de transição entre a Flo-
resta Atlântica e o Cerrado. Aqui apresentamos uma extensa pesquisa de mamíferos não-voadores ao longo das 
margens do Rio Jequitinhonha, região biogeográfica interessante que representa uma área de contato entre dois 
biomas brasileiros (Cerrado e Mata Atlântica), ainda pouco conhecidos para a fauna de mamíferos. Nossos dados 
foram obtidos após 13 expedições de captura (de 2005 a 2012), em ambas as margens do rio, da nascente até à 
foz, enriquecida por dados obtidos a partir de amostras de material depositado em seis coleções de mamíferos. 
Todos os espécimes coletados foram identificados através de seus cariótipos ou morfologia. Foram obtidos dados 
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INTRODUCTION
Brazil is the largest country in the Neotropics 
and it has the largest mammal diversity in 
the world, with over 700 known species, a 
number that has been steadily increasing in 
the past decades (Costa et al., 2005; Paglia et 
al., 2012). Estimates from nearly 20 years ago 
had already predicted that the actual richness 
of Brazilian mammal species, given the exten-
sion of the country, was by far underestimated 
(Vivo, 1997). These facts only strengthen the 
importance of comprehensive and exhaustive 
surveys, particularly in those regions that have 
been poorly sampled, in order to accurately 
evaluate their species composition (Patterson, 
2002; Costa et al., 2005; Lessa et al., 2008).
Not only is the Brazilian mammal fauna 
highly diverse, but also the country various 
biomes lead to varying levels of endemism, 
with different levels of threat to their mammals. 
Approximately 11% of the Brazilian mammal 
species are listed by the IUCN as globally 
threatened (IUCN, 2015) and 15% as nationally 
threatened by the Brazilian National Red List 
(MMA, 2014). Levels of endemism in Brazil are 
high, with ca. 30% of the recorded mammal 
species being endemic (Paglia et al., 2012). As 
a consequence of their high endemism and hu-
man pressure, two important Brazilian biomes, 
Atlantic Forest and Cerrado, were designated 
as global hotspots (Myers et al., 2000). 
The Jequitinhonha River Basin appears to 
be a particularly interesting region because it 
runs into both Atlantic Forest and Cerrado. 
The vegetation along the Jequitinhonha River 
Basin changes along the river path. The region 
is formed by a mosaic of vegetal physiognomies 
presented in two biomes (Cerrado and Atlantic 
Forest), with the northwest part also close to the 
Caatinga, a uniquely Brazilian biome. Thus, such 
an environmental heterogeneity is likely to reveal 
a peculiar mammalian fauna composition, as it is 
surrounded by regions that harbor each a distinct 
mammal composition (Lessa and Paula, 2014). 
Additionally, this sequence of vegetation also 
includes contact zones, where several mammal 
species from more than one of these biomes can 
be found in sympatry (Geise and Astúa, 2009). 
However, the actual knowledge of mammals in 
the Jequitinhonha River Basin is still limited 
(Lessa et al., 2008). Thus, its mammal fauna 
needs to be properly diagnosed (Drumond et 
al., 2005) to provide a robust biogeographic data 
to further studies and more knowledge about 
the biodiversity of that region.
In this paper we report an extensive survey 
for non-volant mammals in both riverbanks 
of the Jequitinhonha River Basin, representing 
formations from two biomes (Cerrado and At-
lantic Forest), along with karyotypic analyses. 
We also indicate how the Jequitinhonha River 
Basin region can be considered as an important 
ecotone discontinuity area. 
de 75 localidades (34 na margem direita, 41 à esquerda; 30 no Cerrado e 45 na Floresta Atlântica). Obtivemos 
registros de 91 espécies de mamíferos não-voadores, ca. de 17% de todos os mamíferos terrestres brasileiros 
conhecidos. Nossos resultados incluem extensões de distribuição de seis espécies (Monodelphis scalops, Thylamys 
velutinus, Calomys mattevii, Wiedomys pyrrhorhinos, Galea spixii, Kerodon rupestris), e informações de cariótipo 
de 26 espécies (11 marsupiais e 15 de roedores), com quatro novos cariótipos. Enquanto a maioria das espécies 
têm ampla distribuição geográfica, 26 ocorreram apenas no Cerrado e 19 apenas na Mata Atlântica. Foram re-
gistradas de 28.7% (6.3% endêmicas) de todas as espécies conhecidas para o Cerrado e 21.5% (22.2% endêmicas) 
da Floresta Atlântica. A riqueza da fauna registrada nesta região apoia a sua importância da compreensão na 
diversidade, biogeografia e evolução dos mamíferos.
Key words: Barriers. Didelphimorphia. Karyotypes. Rodentia. Species richness.
Palavras chave: Barreiras. Cariótipos. Didelphimorphia. Riqueza de espécies. Rodentia.
TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 97
MATERIALS AND METHODS
Study area
According to the document “Região Hidrográfica 
do Atlântico Leste”, organized by the Brazilian Min-
istry of Environment (MMA, 2006), the Jequitin-
honha and Pardo rivers include four sub-basins: 
Jequitinhonha 1, Jequitinhonha 2, Jequitinhonha 3 
and Pardo. Here we consider the areaincluding three 
sub-basins (Jequitinhonha 1, 2 and 3) following the 
denomination provided by Instituto Brasileiro de 
Geografia e Estatística (IBGE, 1997), Ferreira (2011), 
Ferreira and Saadi (2011), Silva and Ferreira (2011) 
and Ferreira and Silva (2012), that includes part of 
the northeastern portion of the Minas Gerais state 
and a small portion of the southeast part of Bahia 
state. The basin is located between 16o - 18oS and 
39o - 44oW, for a total area of 70 315 km2. Of these, 
66 319 km2 are in Minas Gerais (MG) and 3996 km2 
in Bahia (BA) state (IBGE, 1997). In the North, the 
Jequitinhonha River Basin borders the sub-basin of 
Pardo River, and in the South, the sub-basins of the 
Mucuri River and the South Bahia Coast (MMA, 
2006). The source of the Jequitinhonha River lies 
near Serro City (MG), at an elevation of 1300 m 
and drains into the Atlantic Ocean at Belmonte 
City (BA). Some of the sampled localities are lo-
cated outside the limits of the Jequitinhonha River 
drainage basin because for data collection and field 
work we included all municipalities that according 
to the Brazilian Institute of Geography and Statistics 
(IBGE, 2016) are completely or partially inside the 
basin limits. 
Along the 920 km path of the Jequitinhonha River, 
760 are in the Minas Gerais state and 160 in the 
state of Bahia (Ferreira, 2009). From the river source 
in the Cerrado down to its mouth in the Atlantic 
Forest, the climatic characteristics are variable, from 
humid to semiarid climates, and different vegeta-
tional formation are recorded (IBGE, 1997). Rains 
are usually concentrated from October to March, 
with 50% of all the rain occurring from December 
to February (Gonçalves, 1997). According to Silva 
and Ferreira (2011), in three localities, precipitation 
occurs in a very irregular pattern, Araçuaí, in the 
middle region of the basin, with an annual average 
of 766 mm, in Itamarandiba, closer to the source 
of the river, with 1050 mm, and in Pedra Azul, 
closer to the river mouth, with 860 mm. The social 
and environmental scenario of Jequitinhonha River 
Basin presents a dispersed population; the State 
interventions based on economic reorientation, 
focusing on technology and competitiveness, induce 
environmental degradation and generate economic, 
social and cultural negative consequences (Ferreira 
and Saadi, 2009).
As a whole, 75 localities were considered 
in this study; of these, 30 are in the Cerrado, 
while 45 are in the Atlantic Forest (Fig. 1). 
Eleven phytophysiognomies are found along the 
Jequitinhonha River Basin (IBGE, 2012) (Appen-
dix I); two of them are non-natives as a conse-
quence of the anthropic impact. Agrarian Activities 
(originally Savanna, Steppic Savanna/Seasonal For-
est or Savanna/Broadleaf Forest) are present in 12 
localities, and Secondary Vegetation and Agrarian 
Activities (originally Seasonal Deciduous Forest, 
Seasonal Semideciduous Forest or Broadleaf Forest) 
occur in 23 localities (IBGE, 2012). For original 
phytophysiognomy of each of these localities see 
Appendix I. The phytophysiognomies, Seasonal 
Decidual Submontante Forest, Moist Broadleaf 
Forest of Lowlands, Mangroves, Upper Montane 
Vegetational Refuges, Arboreous Steppic Savanna 
and Savanna/Broadleaf Forest are found at a single 
locality each. Four localities were at Arboreous 
Savanna, five Grassy-Woody Savanna, 25 Savanna/
Seasonal Forest (IBGE, 2012) (Appendix I).
Field work
From those 75 localities where mammals were 
recorded in this study (see above), small mammals 
were trapped in 13. These localities were chosen to 
cover both left (localities 2, 5, 44, 45, and 73) and 
right (localities 6, 7, 8, 9, 43, 49, 53 and 75) banks of 
the Jequitinhonha River (Fig. 1, Appendix I), were 
vegetation was more preserved or where field activi-
ties could be carried on without security problems for 
researchers. Traps were set differently according to 
topography and presence of trees (arboreal traps set 
at up to 3 m high), mostly placed in lines ca. 15 to 
20 m apart one from another. Three live traps models 
were used (Sherman®, Tomahawk® and pitfall) with 
banana and manioc pieces, peanut butter and bacon 
bits as bait in live-traps in areas of Atlantic Forest, 
and peanut butter, orange or pineapple pieces and 
cotton wool soaked in cod liver oil in dryer areas 
in Cerrado. In addition to the collected specimens 
of small mammals (marsupials and rodents), we 
also collected road-killed animals, obtained skulls 
from farmers, searched for tracks and made visu-
alization in the field. Table 1 indicates the name, 
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L Geise et al.98
Fig. 1. Mammal recording localities in the Cerrado and Atlantic Forest within and surrounding areas in the Jequitinhonha 
River Basin. Biome boundaries are according to IBGE (2016). White triangles indicate localities where trapping effort was 
carried out during the present study. For number of localities see Appendix I.
coordinates and trapping effort for each locality. 
Tissue (liver) samples, fixed in ethanol, were col-
lected from all specimens, as well as ectoparasites. 
All specimens were prepared as skins, skulls, and 
partial skeletons. Specimens were collected under 
sample permits from ICMBio granted to L. Geise 
(IBAMA 0201.009374/02-86 and SISBIO 598633), 
to L.G. Lessa (SISBIO 19790-1 and 42892-1) and 
to C.E.L. Esberárd (SISBIO 10356-1).
Below we provide a short description of those 
localities we surveyed. Localities are numbered ac-
cording to Appendix I.
Locality #2 - Pousada Rural Recanto do Vale 
(Fig. 2A). The vegetation is Grassy-Woody Savanna, 
in the Cerrado (IBGE, 2012). Traps were set in lines 
along a small creek, on sandy ground and near a 
small waterfall, on the rocks (“lajeiro”). 
Locality #5 – Parque Nacional das Sempre Vivas 
(PARNASV). The vegetation is Upper Highlands 
Vegetational Refuges, in the Cerrado (IBGE, 2012). 
Traps were set in lines along a rupestrian fields area 
interspersed with forest patches in the southern part 
of the PARNASV. 
Locality #6 - Fazenda Santa Cruz (Fig. 2B). The 
vegetation is Grassy-Woody Savanna, in the Cerrado 
(IBGE, 2012). Traps were set in open grasslands 
with rocky outcrops, in gallery forests and open 
vegetation formations. Some trapping lines were 
along characteristic Cerrado formation, with many 
pequi trees (Caryocar brasiliense, Caryocaraceae). 
Locality #7 – Parque Estadual do Rio Preto (PERP) 
(Fig. 2C). The vegetation is Grassy-Woody Savanna, 
in the Cerrado (IBGE, 2012). The PERP is located in 
the southern area of the Espinhaço Mountain Range 
with a mosaic of vegetation physiognomies. Traps 
were settled in areas of riparian savanna, Cerrado 
stricto sensu and open grasslands. 
Locality #8 - Fazenda Sumidouro (Fig. 2D). The 
vegetation is Savanna/Seasonal Forest, in the Cer-
rado (IBGE, 2012). Traps were set in fragments of 
forest formation surrounded by pasture, some lines 
along the Araçuaí River. 
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Table 1
Trapping localities of the present study, including locality name, number (see Appendix I), coordinates, altitude or altitude range where traps were settled, period 
of the fieldwork and trapping effort. 
Locality Name / Number (#) Coordinates Altitude (m) Period of fieldwork Trapping Effort (trap-nights)
Pousada Rural Recanto do Vale / #2 18°23'43.2''S, 43°32'25.5''W 823-920 September 2007 620
Parque Nacional das Sempre Vivas (PARNASV) / #5 17°55'02''S, 43°47'11''W 1200 February to December 2014 1200
Fazenda Santa Cruz / #6 18°16'16.2''S, 43°23'18.8''W 1105 March-April 2011 1125
Parque Estadual do Rio Preto (PERP) / #7 18°05'20''S, 43°20'25''W 875 November 2009 to January 2014 9216
Fazenda Sumidouro / #8 18°11'34.4''S, 43°14'35.2''W 756-785 September 2007 360
Pousada Água Quente / #9 18°05'32.5''S, 43°10'26.2''W 788-802 September 2007March2011
720
1325
Fazenda Ilha / #43 16°39'42.6''S, 41°52'5.1''W 278 March 2012 1250
Fazenda Dona Marília / #44 16°36'46.1''S, 41°49'35.5''W 250– 263 March 2005 105
Fazenda Galiléia / #45 16°34'56.4''S, 41°47'23.4''W 487-529 March 2005 724
Fazenda Palmares / #49 17°07'18.6''S, 41°36'48.6''W 796 March 2012 1370
Fazenda Anga Pehy / #53 16°43'7.6''S, 41°14'57.6''W 771-923 March 2005 683
Fazenda Futurosa / #73 15°51'28''S, 39°24'38.2''W 150 March 2008 200
Reserva Particular do Patrimônio Natural Estação Veracel 
(RPPN Veracel) / #75 16°21'11.6''S, 39°06'49.6''W 90 March 2008 878
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Fig. 2. Views of some surveyed localities: A) Pousada Rural Recanto do Vale (Locality 2) – Grassy-Woody Savanna; B) Fa-
zenda Santa Cruz (Locality 6) – Grassy-Woody Savanna, where a Campo Limpo can be observed; C) Parque Estadual 
do Rio Preto (Locality 7) – Grassy-Woody Savanna with an overview of Cerrado lato sensu; D) Fazenda Sumidouro 
(Locality 8) – Savanna/Seasonal Forest, where a rocky margin of a small creak with arbustive vegetation can be observed; 
E) Pousada Água Quente (Locality 9) – Savanna/Seasonal Forest, depicting characteristic seasonal forest; F) Fazenda Ilha 
(Locality 43) – Savanna/Seasonal Forest, showing an arbustive and thorny vegetation; G) Fazenda Dona Marília (Local-
ity 44) – Savanna/Seasonal Forest, showing an arbustive and thorny vegetation with some cactus; H) Fazenda Galiléia 
(Locality 45) – Savanna/Seasonal Forest – with the same vegetation observed in locality 44; I) Fazenda Palmares (Locality 
49) – Secondary Vegetation and Agrarian Activities (originally Seasonal Semideciduous Forest), showing a pasture, with 
forest on the top of the hill; J) Fazenda Anga-Pehy (Locality 53) – Secondary Vegetation and Agrarian Activities (originally 
Seasonal Semideciduous Forest) = with the same vegetation observed in locality 49. All photos taken by Lena Geise, except 
that of locality 7, taken by Leonardo G. Lessa. 
TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 101
Locality #9 - Pousada Água Quente (Fig. 2E). The 
vegetation is Savanna/Seasonal Forest, in the Cerrado 
(IBGE, 2012). Trapping was carried out in Gallery 
Forest, with traps along the river, over rocks or 
sand and some in the river. Other lines were set in 
a Forest, at the slope of a small hill, a very humid 
area. Grasses covered the beginning of the line. The 
“campo sujo” was at another slope, with rocky and 
sandy soil, some areas recovering from fire. 
Locality #43 - Fazenda Ilha (Fig. 2F). The vegetation 
is Savanna/Seasonal Forest, in the Atlantic Forest 
according to the map (IBGE, 2012), but local ob-
servation showed that it is clearly in the Cerrado. 
Lines were set in typical arboreal vegetation (close 
thorny arbustive vegetation, with small sparse trees), 
with sandy soil. 
Locality #44 - Fazenda Dona Marília (Fig. 2G). The 
vegetation is Savanna/Seasonal Forest, in the Atlantic 
Forest according to the map (IBGE, 2012), but local 
observation showed that it is clearly in the Cerrado. 
Trapping lines were in open arboreal vegetation with 
an open bush formation. Trapping lines were along 
the Jequitinhonha River. 
Locality #45 - Fazenda Galiléia (Fig. 2H). The veg-
etation is Savanna/Seasonal Forest, in the Atlantic 
Forest according to the map (IBGE, 2012), but local 
observation showed that it is clearly in the Cerrado. 
General vegetation where lines were mounted is ar-
boreal vegetation (close thorny arbustive vegetation, 
with sparse low trees), with sandy soil. Trapping was 
carried out during the rainy season, so vegetation 
was green. 
Locality #49 - Fazenda Palmares (Fig. 2I). The veg-
etation is Secondary Vegetation and Agrarian Activi-
ties (originally Seasonal Semideciduous Forest), in 
the Atlantic Forest (IBGE, 2012). Traps were set in 
disturbed forest fragments located on mountaintops 
surrounded by pastures. 
Locality #53 - Fazenda Anga Pehy (Fig. 2J). The 
vegetation is Secondary Vegetation and Agrarian 
Activities (originally Seasonal Deciduous Forest), in 
the Atlantic Forest (IBGE, 2012). Traps were set in 
disturbed forest fragments located on mountaintops 
surrounded by pastures, one along a creek, another 
around a swampy area covered by graminae. Another 
vegetation was a dry altered forest, locally called 
“Mata da Chapada”. 
Locality #73 - Fazenda Futurosa. The vegetation is 
Agrarian Activities (original vegetation was Savanna/
Broadleaf Forest), in the Atlantic Forest (IBGE, 
2012). The sampled area is a forest fragment sur-
rounded by eucalyptus plantations and the “Cabruca”, 
a cacao trees plantation grown under the Atlantic 
Forest canopy, also surrounded by pasture. 
Locality #75 - Reserva Particular do Patrimônio 
Natural (RPPN), Estação Veracel. The vegetation is 
Moist Broadleaf Forest of Lowlands, in the Atlan-
tic Forest. All trapping occurred in the preserved 
forest area.
Small mammal species identification 
(karyotypes and morphology)
Karyotypes were prepared in the field for all ro-
dent specimens and at least one specimen of each 
collected species of marsupial. Metaphases were 
obtained with in vitro bone marrow culture accord-
ing to Geise (2014). Conventional coloration with 
Giemsa 5% was used to observe diploid (2n) and 
fundamental (FN, excluding sexual chromosomes) 
numbers and chromosome morphology. Rodents 
were identified to species level by comparison with 
voucher specimens deposited in collections, species 
descriptions, and karyological analysis. Morphologi-
cal characters (skin and skull) were considered for 
species identification in comparison to previous 
descriptions for Didelphimorphia. Nomenclature 
follows Wilson and Reeder (2005), Gardner (2008), 
Melo and Sponchiado (2012), Gurgel-Filho et al. 
(2015) and Patton et al. (2015). 
Museum collections and literature review
Medium and large mammal (Cingulata, Pilosa, Pri-
mates, Lagomorpha, Carnivora, Perissodactyla, and 
Cetartiodactyla) records, in addition to other small 
mammal species, were obtained from museum col-
lections (Museu Nacional do Rio de Janeiro, Museu 
de Zoologia da USP, Coleção do Laboratório de 
Mastozoologia e Manejo da Fauna do Departamento 
de Zoologia, Universidade Federal de Minas Gerais, 
Museu de Ciências Naturais da PUC Minas, Museu 
de Zoologia da Universidade Federal de Viçosa and 
Coleção de Mastozoologia da Universidade Federal 
dos Vales do Jequitinhonha e Mucuri).
Literature review was carried out to complete all 
mammal species occurrence. We do not consider 
specimens of Akodon cursor that were not identified 
through genetic techniques, as identification based 
solely on skull and skin morphology is not reliable 
for this species (Geise, 2012).
Localities characterization, species 
geographic pattern distribution 
and classification of endangered species
Coordinates and altitude for each locality were 
obtained at each capture location and gazetteers 
online (www.geonames.org, www.falingrain.com/
world andwww.splink.cria.org.br/geoloc), using SAD 
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L Geise et al.102
69 23 K Datum. Vegetation classification of each 
locality is according to the IBGE (2012).
For geographic range increase of species, we 
searched each species known geographic distribution 
provided by Gardner (2008), Geise and Astúa (2009), 
Cáceres (2012), Gurgel-Filho et al. (2015) and Patton 
et al. (2015). For biome endemism, we used Paglia 
et al. (2012). Classification of endangered species 
(Vulnerable, Endangered and Critically Endangered) 
is according to IUCN (2015) and MMA (2014). 
Near Threatened (NT) and Data Deficient (DD) 
are according to ICMBio (2014) and IUCN (2015).
RESULTS
Our collecting effort in 13 localities and with 
the inclusion of museum specimens and lit-
erature information resulted in a list of 91 
mammal species in75 localities along the 
Jequitinhonha River Basin (Appendices I and 
II); 15 species belong to the Order Carnivora, 
four to Cetartiodactyla, six to Cingulata, 14 to 
Didelphimorphia, one to Lagomorpha, one to 
Perissodactyla, three to Pilosa, 11 to Primates, 
and 36 species to Rodentia. We trapped 33 
species of small mammals (13 marsupials 
and 20 rodents), three species were visualized 
(Cabassous unicinctus, Callithrix geoffroyi and 
Guerlinguetus brasiliensis), one was recorded 
from footprints (Procyon cancrivorus) and 
two species of medium sized-mammal were 
recovered as road-kills (Cerdocyon thous and 
Sylvilagus minensis) (Table 2).
According to the IUCN (2015) 20 out of the 
91 species recorded for the Jequitinhonha River 
Basin are threatened, while according to the 
MMA (2014) and ICMBio (2014) 27 species 
are threatened. For IUCN (2015), the most 
endangered species are Brachyteles hypoxanthus 
and Sapajus xanthosternos (with the status of 
Critically Endangered), and Leontopithecus 
chrysomelas and Sapajus robustus (with the 
status of Endangered). According to the MMA 
(2014) and ICMBio (2014) the worst cases are 
B. hypoxanthus as Critically Endangered, and 
L. chrysomelas, S. robustus, S. xanthosternos, 
Leopardus guttulus, Thalpomys lasiotis and 
Trinomys mirapitanga with the status of En-
dangered (Table 2).
We increased the known distribution for 
eight species. The record of Calomys mattevii 
increases the species distribution eastwards in 
190 km from Juramento, MG (Gurgel-Filho 
et al., 2015) to Fazenda Dona Marília-Itinga, 
MG (locality 44). Galea spixii distribution in-
creased southwards in 178 km from Campos 
Gerais de São Felipe, BA (Dunnum, 2015) to 
Araçuaí municipality (locality 34). The record of 
Kerodon rupestris in the Parque Estadual do Rio 
Preto, São Gonçalo do Rio Preto municipality 
(locality 7) increases the species distribution 
to the southeast in 330 km from Riacho da 
Cruz, MG (Dunnum, 2015). The record of 
Sooretamys angouya in Distrito Carne Seca, 
Fazenda Corredor, MG (locality 12) increases 
the species distribution to the northwest in 
450 km from Rio São José, ES (Percequillo, 
2015b). Thylamys velutinus was recorded in Rio 
do Pardo de Minas municipality, MG (locality 
48), which increases the species distribution 
to the east in 150 km from Lagoa Santa, MG 
(Creighton and Gardner, 2008). The record of 
Monodelphis scalops at the Parque Nacional 
das Sempre Vivas, Diamantina municipality, 
MG (locality 5) increases the species distribu-
tion to the northwest in 400 km from Santa 
Teresa, ES (Pine and Handley, 2008). Wiedomys 
pyrrhorhinos had a distribution increase to the 
south in 145 km from Juramento, BA (Bonvi-
cino, 2015) to Pousada Água Quente, Felício 
dos Santos municipality, MG (locality 9).
We obtained karyotype for 26 species (11 
Didelphimorphia and 15 Rodentia; Table 3). 
Eight rodent species presented karyotype 
variation—Akodon cursor, Cerradomys scotti, 
Cerradomys subflavus, Cerradomys vivoi, 
Nectomys squamipes, Rhipidomys mastacalis, 
Trinomys albispinus and Wiedomys pyrrhorhinos 
(Table 3). Undescribed chromosomal variation 
was found in C. scotti, C. subflavus, T. albispinus 
and W. pyrrhorhinos. Cerradomys scotti speci-
mens, collected in Fazenda Santa Cruz (locality 
6) presented two distinct fundamental numbers, 
68 (MN82753, Fig. 3) and 72 (MN82752). The 
karyotype with FN=68 is composed by six pairs 
of biarmed and 22 acrocentric chromosomes. 
The karyotype of C. subflavus (MN82759, col-
lected also in locality 6) presented variation in 
the sexual pair, in which the X chromosome 
is a large submetacentric and the Y is a small 
acrocentric (Fig. 4). Trinomys albispinus was 
TERRESTRIA
L M
A
M
M
A
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F TH
E JEQ
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Table 2
Registered mammal species, with their locality numbers (for localities name see Appendix I), type of record, biome, vegetation and conservation status. Type 
of record: F = footprint; R = References: 1. Chiarello et al. (2006), 2. Falcão et al. (2012), 3. Leal et al. (2008), 4. Lessa et al. (2008), 5. Lessa and Paula (2014), 
6. Melo (2005), 7. Melo et al. (2004), 8. Oliveira and Gonçalves (2015), 9. Oliveira et al. (2013), 10. Pardiñas et al. (2014), 11. Pessôa et al. (2015), 12. Pinto and 
Rylands (1997), 13. Rylands et al. (1988), 14. Voss (2015); RK = Road killed animals; V = visualization; VS = voucher specimens. Biome according to IBGE (2012): 
CE = Cerrado and AF = Atlantic Forest. Vegetation according to IBGE (2012): a = Grassy-Woody Savanna; b = Upper Montane Vegetational Refuges; c = Savanna/
Seasonal Forest; d = Agrarian Activities (originally Savanna, Steppic Savanna/Seasonal Forest or Savanna/ Broadleaf Forest); e = Secondary Vegetation and Agrarian 
Activities (originally Seasonal Decidual, Semideciduous or Moist Broadleaf Forests); f = Arboreous Savanna; g = Arboreous Steppic Savanna; h = Seasonal Decidual 
Submontante Forest; i = Savanna/ Broadleaf Forest; j = Mangroves; k = Moist Broadleaf Forest of Lowlands. Legend for Conservation Status: LC = Least Concern, 
NT = Near Threatened, E = Endangered, CE = Critically Endangered, V = Vulnerable, according to International Union for Conservation of Nature (IUCN), Ministério 
do Meio Ambiente (MMA), Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio).
Localities Type of Record and Reference number Biome
Vegetation 
Type
Conservation Status
IUCN MMA ICMBio
DIDELPHIMORPHIA Gill
Caluromys philander Linnaeus 7, 8, 57, 64 R(1), VS CE/AF a, c, e
Didelphis albiventris Lund 2, 5, 7, 9, 33, 38, 43, 45, 46, 49, 53, 56 R(5), VS CE/AF a, b, c, d, e
D. aurita (Wied-Neuwied) 49, 61, 68, 75 R(1), VS MA e, k
Gracilinanus agilis (Burmeister) 2, 3, 7, 9, 12, 31, 37, 43, 45, 47 VS CE/AF a, c, d, e
G. microtarsus (Wagner) 2, 6, 7, 9, 60 VS CE/AF a, c, e
Marmosa murina Linnaeus 7, 5 VS CE a, b
M. paraguayana (Tate) 7, 8, 9, 17, 30, 46, 64, 75 R(1), VS CE/AF a, c, d, e, k
Marmosops incanus (Lund) 2, 3, 5, 6, 7, 8, 9, 11, 12, 14, 17, 27, 28, 30, 31, 33, 45, 49, 53, 60, 65 R(1), VS CE/AF a, b, c, d, e, f
Metachirus nudicaudatus (É. Geoffroy) 7, 17, 54, 64, 75 R(1), VS CE/AF a, c, e, k
Monodelphis americana Müller 9, 49 VS CE/AF c, e
M. domestica (Wagner) 5, 6, 7, 9, 30, 35, 45, 46 R(4), VS CE/AF a, b, c, d, e
M. scalops Thomas 5 VS CE b
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Localities Type of Record and Reference number Biome
Vegetation 
Type
Conservation Status
IUCN MMA ICMBio
Philander frenatus (Olfers) 9 VS MA c
Thylamys velutinus (Wagner) 48 VS CE c Vu
CINGULATA Illiger
Cabassous tatouay (Desmarest) 5, 7 R(3, 4) CE a, b DD
C. unicinctus (Linnaeus) 5, 7, 45, 75 R(2, 3, 4), V CE/AF a, b, c, k
Dasypus novemcinctus Linnaeus 3, 5, 7, 75 R(2, 3), VS CE/AF a, b, k
D. septemcinctus Linnaeus 5, 7 R(3,9) CE a, b
Euphractus sexcinctus Linnaeus 5, 7, 15, 16, 46, 65 R(1, 3, 4), VS CE/AF a, b, c, d, e
Priodontes maximus (Kerr) 5, 7, 65 R(1, 3, 4) CE/AF a, b, e Vu
PILOSA Flower
Bradypus variegatus Schinz 64, 65, 68, 75 R(1, 2) MA e, k
Myrmecophaga tridactyla Linnaeus 5, 7 R(3, 9) CE a, b Vu
Tamandua tetradactyla (Linnaeus) 5, 7, 65, 75 R(1, 2, 3, 4) CE/AF a, b, e, k
PRIMATES Linnaeus
Alouatta caraya Humboldt 5 R(3) CE b NT
A. guariba Humboldt 33, 41, 42, 52, 55, 57, 65 R(1, 6, 13), VS MA d, e
Brachyteles hypoxanthus (Kuhl) 55, 64 R(7) MA e CE CE
Callicebus kuhlii (Coimbra-Filho) 57, 61, 63, 65 R(1, 13) MA e NT NT
C. melanochir (Wied-Neuwied) 65 R(1) MA e Vu Vu
Callithrix geoffroyi (Humboldt) 7, 9, 29, 39, 40, 52, 58, 64, 75 R(1, 2, 4, 13), V CE/AF a, c, d, e, k
C. penicillata (É. Geoffroy) 5, 21, 22, 25, 26, 32, 33, 41, 46, 59, 74 R(3, 13), VS CE/AF b, c, d, e, f, j
(Table 2 cont.)
TERRESTRIA
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M
M
A
LS O
F TH
E JEQ
U
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H
O
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H
A
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(Table 2 cont.)
Localities Type of Record and Reference number BiomeVegetation 
Type
Conservation Status
IUCN MMA ICMBio
C. personatus Geoffroy 20 R(13) MA e Vu Vu
Leontopithecus chrysomelas Kuhl 69, 70, 71 R(12) MA e En En
Sapajus xanthosternos (Wied-Neuwied) 55, 57, 65, 68 R(1, 6) MA e CE En
S. robustus (Kuhl) 5, 25, 33, 64, 74, 75 R(1, 2, 3, 13), VS CE/AF b, c, d, e, k En En
LAGOMORPHA Brandt
Sylvilagus minensis (Thomas) 5, 7, 9, 48, 51, 57 R(1, 3, 4), RK CE/AF a, b, c, e
CARNIVORA Bowdich
Cerdocyon thous (Linnaeus) 5, 7, 43, 50, 65 R(1, 3, 4), RK CE/AF a, b, c, e, g
Chrysocyon brachyurus Illiger 5, 7 R(3, 4) CE a, b NT Vu
Conepatus semistriatus (Boddaert) 5, 7, 19, 36, 46, 57 R(1, 3, 4), VS CE/AF a, b, c, d, e
Eira Barbara Linnaeus 5, 7 R(3, 4) CE a, b
Leopardus pardalis Linnaeus 5, 7 R(3, 4) CE a, b
L. guttulus Hensel 5, 7, 64 R(1, 3, 4) CE/AF a, b, e Vu En
L. wiedi (Schinz) 5, 50, 75 R(2) CE/AF b, g, k NT Vu
Lontra longicaudis Olfers 7 R(4) CE a NT NT
Nasua nasua Linnaeus 5, 75 R(2, 3) CE/AF b, k
Panthera onca Linnaeus 5 R(3) CE b NT Vu
Potos flavus Schreber 64 R(1) MA e
Puma concolor Linnaeus 5, 7, 57, 61, 75 R(1, 2, 3, 4) CE/AF a, b, e, k Vu
P. yagouaroundi É. Geoffroy Saint-Hilaire 5 R(3) CE b Vu
Procyon cancrivorus G. [Baron] Cuvier 5, 7, 9, 57, 64, 66 F, R(1, 3, 9) CE/AF a, b, e, h
Pseudalopex vetulus (Lund) 5, 7 R(3-4) CE a, b Vu
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Localities Type of Record and Reference number Biome
Vegetation 
Type
Conservation Status
IUCN MMA ICMBio
PERISSODACTYLA Owen
Tapirus terrestris Linnaeus 5, 7, 57, 75 R(1, 2, 3, 4) CE/AF a, b, e, k Vu Vu
CETARTIODACTYLA Montgelard, Catzeflis and Douzery
Mazama americana Erxleben 5 R(3) CE b DD DD
M. gouazoubira G. Fischer [von Waldeheim] 5, 7, 75 R(2, 3, 4) CE/AF a, b, k
Ozotocerus bezoarticus Linnaeus 5 R(3) CE b NT Vu
Pecari tajacu Linnaeus 5, 7, 57, 64, 65, 75 R(1, 2, 4) CE/AF a, b, e, k
RODENTIA Bowdich
Akodon cursor (Winge) 17, 49, 53 VS CE/AF c, e
Calassomys apicalis Pardiñas, Lessa, Teta, 
Salazar-Bravo and Câmara 5 R(10) CE b
Calomys mattevii (Lund) 37, 44 VS MA c, d
C. tener (Winge) 3, 5, 12, 27, 34, 46, 47, 48, 65 R(1), VS CE/AF a, b, d, e, f
Cavia aperea Erxleben 5, 7 R(4), VS CE a, b
Cerradomys scotti (Langguth 
and Bonvicino) 5, 6, 7 VS CE a, b
C. subflavus (Wagner) 3, 5, 6, 7, 9, 11, 12, 22, 27, 35, 45, 46, 48, 50, 53, 61 R(1), VS CE/AF a, b, c, d, e, f, g
C. vivoi Percequillo, Hinst-Zaher 
and Bonvicino 45, 54 VS MA c, e
Chaetomys subspinosus Olfers 61, 62 R(1, 14) MA e Vu Vu
Coendou insidiosus Olfers 63 R(14) MA e
Cuniculus paca (Linnaeus) 5, 7, 57, 64, 75 R(1, 2, 3, 4) CE/AF a, b, e, k
Dasyprocta azarae Lichtenstein 5, 7 R(3, 4) CE a, b DD
TERRESTRIA
L M
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M
M
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F TH
E JEQ
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N
H
A
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(Table 2 cont.)
Localities Type of Record and Reference number Biome
Vegetation 
Type
Conservation Status
IUCN MMA ICMBio
D. leporina (Linnaeus) 18, 75 R(2), VS CE/AF c, k
Euryoryzomys russatus (Wagner) 53, 54, 72 VS MA e, i
Euryzygomatomys spinosus (G. Fischer) 5 VS CE b
Galea spixii (Wagler) 34, 48 VS CE/AF c, d
Guerlinguetus brasiliensis (Gmelin) 5, 7, 9, 49, 57, 61, 64, 65, 68, 75 R(1, 3, 4), V, VS CE/AF a, c, d, e, k
Hydrochoerus hydrochaeris (Linnaeus) 5, 7, 13 R(3, 4), VS CE a, b, c
Hylaeamys seuanezi (Weksler, Geise 
and Cerqueira) 64, 72 R(1), VS MA e, i NT
Kerodon rupestris (Wied-Neuwied) 5, 7, 13 R(3, 4), VS CE a, b, c
Necromys lasiurus (Lund) 5, 27, 30, 46 VS CE/AF b, c, d, f
Nectomys squamipes (Brants) 5, 7, 8, 9, 24, 53, 57, 64, 75 R(1), VS CE/AF a, b, c, e, k
Oecomys catherinae Thomas 54, 72 VS MA e, i
Oligoryzomys nigripes (Olfers) 5, 7, 9, 12, 31, 33, 47 VS CE/AF a, b, c, d, e
Oxymycterus dasytrichus (Schinz) 1, 5, 54 R(8), VS CE/AF b, e
Phyllomys lamarum (Thomas) 17, 33 VS CE c, d DD DD
Pseudoryzomys simplex (Winge) 5 R(3) CE b
Rhipidomys macrurus (Gervais) 6, 12, 31 VS CE/AF a, d
R. mastacalis (Lund) 3, 4, 5, 6, 7, 9, 17, 33, 45, 46, 49, 73 VS CE/AF a, b, c, d, e
Sooretamys angoya (Fischer) 12 VS CE d
Thalpomys lasiotis (Thomas) 5, 6 R(3), VS CE a, b En
Thrichomys apereoides (Lund) 2, 5, 6, 7, 8, 9, 12, 15, 24, 27, 28, 31, 44, 45, 47 VS CE/AF a, b, c, d, e, f
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collected only in locality 45 (MN82935, from 
Fazenda Galiléia), the fundamental number 
(FN) 108, with 25 pairs of biarmed and four 
pairs of acrocentric chromosomes (Fig. 5). 
Wiedomys pyrrhorhinos presented two different 
fundamental numbers, FN=98 (MN82944, from 
Fazenda Ilha, locality 43; MN82938 and 82939 
from Fazenda Galiléia, locality 45; MN82940, 
82941, 82942 from Pousada Água Quente, 
locality 9), with 19 pairs of biarmed and 11 
pairs of acrocentric chromosomes (Fig. 6A) 
and FN=99 (MN82943, from Fazenda Ilha, 
locality 43) composed by 19 pairs of biarmed 
and 10 pairs of acrocentric chromosomes, and 
a heteromorphic pair of small chromosomes 
(Fig. 6B).
DISCUSSION
Our trapping efforts, coupled with all the 
information obtained from museums and the 
literature, provided a comprehensive view of 
the non-volant mammal diversity along the 
Jequitinhonha River Basin. Terrestrial mam-
mal species richness recorded in Jequitinhonha 
River Basin represents 17% of all known ter-
restrial species in Brazil, not considering 
Calassomys apicalis, described after Paglia et 
al. (2012). Most recorded species (91) have 
a wide geographical distribution range and 
may occur in more than one biome in South 
America (Bonvicino et al., 2002; Geise and 
Astúa, 2009; Pereira and Geise, 2009; Car-
mignotto et al., 2012; Costa and Leite, 2012; 
Paglia et al., 2012); however, we collected 19 
species only in Atlantic Forest localities and 
26 in Cerrado localities. 
Currently, 32 of 251 (not including C. apicalis) 
and 90 of 298 species of mammals occur/are 
endemic and registered in the Cerrado and 
Atlantic Forest, respectively (Carmignotto 
et al., 2012; Costa and Leite, 2012; Paglia et 
al., 2012). We trapped a considerable por-
tion of this diversity, and recorded 28.7% 
(6.3% endemic) of all Cerrado and 21.5% 
(22.2% endemic) of all Atlantic Forest spe-
cies, thus showing the biological importance 
of the surveyed area. We recorded species 
considered to be restricted to the Cerrado 
and Caatinga in the Atlantic Forest (Calomys 
TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 109
Table 3
Species karyotyped with locality number (for name of locality see Appendix I). Diploid number (2n) and 
fundamental number (FN). * Indicates those species with new karyotype variation.
Species Locality number 2n FN
Didelphimorphia
Caluromys philander 8 14 24
Didelphis albiventris 9 22 20
Gracilinanus agilis 9, 43, 45 14 20
G. microtarsus 2, 6, 9 14 20
Marmosa murina 75 14 20
M. paraguayana 8, 9 14 20
Marmosops incanus 2, 6, 8, 9, 45, 49, 53 14 24
Metachirus nudicaudatus 75 14 20
Monodelphis americana 9, 49 18 22
M. domestica 6, 9, 45 18 22
Philander frenatus 9 22 20
Rodentia
Akodon cursor 17, 49, 53 14/16 18/19/20/21/26
Calomysmattevii 44 66 68
Cerradomys scotti* 6 58 68/72
C. subflavus* 6, 53 54 62
C. vivoi 45 50 64/66
Euryoryzomys russatus 53 80 84
Guerlinguetus brasiliensis 49 40 76
Nectomys squamipes 8, 9, 49, 53, 75 56/57 56/57/58/60
Oligoryzomys nigripes 9 62 82
Rhipidomys macrurus 6 44 48
R. mastacalis 6, 9, 49, 73 44 72/74
Thrichomys apereoides 2, 6, 8, 9, 44, 45 28 50
Trinomys albispinus* 45 60 108
T. setosus 9, 53 56 108
Wiedomys pyrrhorhinos* 9, 43, 45 62 98/99
mattevii, Didelphis albiventris, Gracilinanus 
agilis, Rhipidomys macrurus, Thrichomys 
apereoides and Wiedomys pyrrhorhinos), as well 
as species considered restricted to the Atlantic 
Forest in Cerrado areas (Callithrix geoffroyi, 
Dasyprocta leporina, Gracilinanus microtarsus, 
Guerlinguelus brasiliensis, Monodolphis scalops, 
Oxymycterus dasytrichus, Phyllomys lamarum, 
Sapajus robustus, Sooretamys angoya and 
Trinomys setosus) (Table 2). Such records show 
the need of carefully reassess the scheme of bi-
ome endemicity provided by Paglia et al. (2012). 
Habitat and vegetation characteristics were 
observed during field work, differing from 
biome and vegetation maps (IBGE 2012), 
showing that the Cerrado and Atlantic Forest 
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Fig. 3. Karyotype in conventional staining of a female Cerradomys scotti (MN82753), collected at Fazenda Santa Cruz 
(locality 6), showing 2n=58, FN=68, with six pairs of biarmed and 22 pairs of acrocentric chromosomes. X chromosome 
as a medium biarmed chromosome. 
Fig. 4. Karyotype in conventional staining of male Cerradomys subflavus (MN82759), collected at Fazenda Santa Cruz 
(locality 6), showing 2n=54, FN=62, with five pairs of biarmed and 21 pairs of acrocentric chromosomes. X chromosome 
as a medium biarmed, and Y chromosome as a small acrocentric. 
TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 111
Fig. 5. Karyotype in conventional staining of Trinomys albispinus (MN82935) collected at Fazenda Galiléia (locality 45) 
showing 2n=60, FN=108, with 25 pairs of biarmed and four pairs of acrocentric chromosomes; male individual, X chro-
mosome as a large biarmed, and Y a small acrocentric chromosome. 
borders are not precisely delimited, either due 
to the low resolution of IBGE data or acceler-
ated rates of deforestation. This could be seen in 
localities 43, 44 and 45, which are not Atlantic 
Forest, but dry vegetation of Cerrado (for a 
better conclusion, see Figs. 2F, 2G and 2H) 
or Fazenda Palmares (locality 49), according 
to Fig. 1 in the Atlantic Forest (Secondary 
Vegetation and Agrarian Activities, originally 
Seasonal Semidecidous Forest; IBGE, 2012), 
but according to fieldwork, a transition area 
between both biomes.
The importance of the species survey in-
creases when the conservation status is consid-
ered. Eight major protected areas are located 
along the basin, three of them surveyed by 
us. Seven protected areas are in Minas Gerais 
state (six in Cerrado biome: Parque Nacional 
Sempre Vivas, Parque Estadual do Rio Preto, 
Parque Estadual de Biribiri, Parque Estadual 
do Pico do Itambé, Parque Estadual da Serra 
Negra, Parque Estadual de Grão Mogol; and 
one in Atlantic Forest biome: Reserva Biológica 
[REBIO] Mata Escura), and one in Bahia State 
(Atlantic Forest Biome: Reserva Particular de 
Proteção Natural [RPPN] Estação Veracel). In 
those protected areas, according to the infor-
mation provided by environmental government 
agencies (ICMBio, 2016 and IEF/MG, 2016 
accessed August/2016) 14 endangered taxa may 
occur (Alouatta spp., Brachyteles hypoxanthus, 
Callicebus spp., Callithrix geoffroyi, Chaetomys 
subspinosus, Chrysocyon brachyurus, Leopardus 
pardalis, Lontra longicaudis, Myrmecophaga 
tridactyla, Panthera onca, Priodontes maximus, 
Puma concolor, Sapajus robustus and Tapirus 
terrestris), all medium or large mammals. 
However, we have in our list three species 
of small mammals under conservation threat 
(Thalpomys lasiotis, Thylamys velutinus and 
Trinomys mirapitanga), with only few oc-
currences in protected areas. The sum of all 
those eight protected area is 2570 km2, which 
represents only a small fraction (3.7%) of the 
whole basin (70 315 km2). Most of the pro-
tected areas are in the Cerrado, even when 
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A
B
Fig. 6. Karyotypes in conventional staining of Wiedomys pyrrhorhinos collected at Fazenda Ilha (locality 43). A) MN82944, 
2n=62, FN=98, with 19 pairs of biarmed and 11 pairs of acrocentric chromosomes; female individual, X chromosome 
as a medium acrocentric. B) MN82943, with 2n=62, FN=99, with 19 pairs of biarmed and 10 pairs of acrocentric chro-
mosomes, and a heteromorphic pair of small chromosomes; female individual, X chromosome as a medium autosomal.
a larger area of the basin lies in the Atlantic 
Forest (Fig. 1).
All collected marsupial species, a group 
known to have a very conservative chromo-
somal composition (Svartman and Vianna-
Morgante, 1998; Astúa, 2015), showed diploid 
and autosomal numbers already described in 
the literature (Yunis et al., 1973; Carvalho 
et al., 2002; Paresque et al., 2004; Pereira et 
al., 2008).
We obtained new karyotypes for Cerradomys 
scotti, C. subflavus, Trinomys albispinus and 
Wiedomys pyrrhorhinos. The fundamental 
number described in the present paper for 
C. scotti is lower, with an increase of acrocentric 
chromosomes, than those previously reported 
(Bonvicino et al., 1999). The sexual pair here 
reported for one specimen of C. subflavus dif-
fers from the previously described karyotype 
(Bonvicino et al., 1999). The fundamental 
TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 113
number of T. albispinus presented here (FN 
= 108) differs because of the presence of 25 
biarmed pairs instead of 29 as described by 
Pessôa et al. (2015). The published karyotypes 
for W. pyrrhorhinos show that the species is 
highly variable (2n=62, FN=86, 90 and 104; 
Maia and Langguth, 1987; Gonçalves et al., 
2005; Pereira and Geise, 2007). The karyo-
type presented here (2n=62, FN=98/99), with 
another different autosomal number, increases 
the known intraspecific variation.
Chromosome data available for Brazilian 
populations of squirrels are scarce (Fagundes et 
al., 2003), with most species presenting a simi-
lar karyotype, 2n=40, FN=74 (Sciurus aestuans 
ingrami) and 2n=40, FN=76 (S. a. alphonsei 
and S. a. spadiceus, described by Lima and 
Langguth 2002); both karyomorphs differ in 
the 19th pair, with metacentric chromosomes in 
the former and acrocentric in the second one. 
The specimens we collected match the descrip-
tion of Vivo and Carmignotto (2015) and Vivo 
(personal communication) for Guerlinguelus 
brasiliensis brasiliensis, which currently include 
S. a. alphonsei and S. a. spadiceus as synonyms. 
So, we conclude that the karyotype observed by 
us for our sample of G. brasiliensis is the same of 
those described by Lima and Langguth (2002).
The area surveyed and studied here shows 
few particular patterns of species distribution 
occurrence. Some are already known in litera-
ture, such as the rodent species Akodon cursor 
(Geise, 2012) and Cerradomys spp., where 
C. subflavus occurs only on the right side of 
the river as opposed to C. vivoi, which occurs 
north of the left side (Bonvicino et al., 1999; 
Weksler et al., 2006; Percequillo, 2015a). Leite 
et al. (2016) presented a complete explana-
tion about the Rio Doce as a discontinuity 
area. Further extensive collecting effort in the 
Jequitinhonha River Basin may provide future 
basis to discuss if this region represents another 
area of faunal discontinuity for some lineages 
of small mammals. 
Our study showed a high diverse terrestrial 
mammal fauna, with relevant records of new 
karyotypes, endangered fauna and sympatric 
occurrence of species of bothadjacent biomes 
—Cerrado and Atlantic Forest. A continuity of 
trapping effort is necessary to further character-
ize (e.g., phylogeography) the registered species.
ACKNOWLEDGMENTS 
We are thankful to Júlia Lins Luz, Maíra de Godoy Sant’Ana, 
Luciana de Moraes Costa, Thais Lira and Vera de Ferran for 
fieldwork help; to Heitor Bispo, Fábio Henrique Alves Bispo, 
Luiz Carlos da Silva, Rita de Cassia de Melo Tolentino and 
Georg Marksteinr (Pousada Água Quente and Fazenda 
Sumidouro), Sueli Vieira (Fazenda Ilha), Mr. Túlio (Fazenda 
Palmares), Mr. and Mrs. Guimarães (Fazenda Anga-Pehy) 
and all the staff of the Reserva Particular do Patrimônio 
Natural, Estação Veracel, for lodging and permission to 
work within their properties. Leila Maria Pessôa helped 
in the identification of Trinomys spp. Fabiano Rodrigues 
de Melo was of great help providing information about all 
Primates species; R. Moratelli kindly assessed Oxymycterus 
dasytrichus specimens in the Smithsonian Institution, 
Washington DC. Field work was carried out with funding 
provided by Conselho Nacional de Desenvolvimento Cientí-
fico e Tecnológico (CNPq, Edital Universal # 473596/2006-7 
and 472909/2009-6 andComCerrado#563134/2010-0 Edital 
nº 47/2010 - Chamada 2), Fundação de Amparo à Pesquisa 
do Estado do Rio de Janeiro (FAPERJ), Fundação de 
Amparo a Pesquisa do Estado de Minas Gerais (FAPE-
MIG - # APQ01034/09) and Programa SISBIOTA/CNPq 
(# 56314/2010.0). L. Geise receives productive grants from 
CNPq (# 306161/2016-8) and UERJ/Prociência, C.E.L. Es-
bérard received a CNPq productive grant (# 151029/2004-0) 
and financial support from FAPERJ to “Young Scientist of 
Our State” (E-16/170.449/2007 and E-26/102.201/2009). D. 
Astúa was supported by FAPERJ (E-26/150.353/2005) and 
by a CNPq fellowship (306647/2013- 3). Marcia Aguieiras 
had fellowship from FAPERJ (E-26/102.327/2011) and 
has a doctoral scholarship from CAPES. Paulo H. Asfora 
had a fellowship from FAPERJ (E-26/100.331/2007) and 
Fundação de Amparo à Ciência e Tecnologia do Estado 
de Pernambuco (FACEPE - DCR-0053-2.04/11, Bolsa 
DCR e APQ-0020-2.04/12). F. Dourado receives financial 
support from FAPERJ to “Young Scientist of Our State” 
(E-16/203.218/2015). We are grateful to all comments made 
by two anonymous reviewers.
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TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 117
APPENDIX I
Gazetteer with geographical and vegetation information for localities from Jequitinhonha River 
Basin with mammal registers, arranged from the source to the mouth region of the river. Under-
lined names = municipalities. Number before locality name corresponds to localities plotted in 
Fig. 1. Localities with our collecting effort are in bold. nln = no locality name. When coordinates 
of a locality were not found we used coordinates of the municipality. After coordinates, vegetation 
type (IBGE 2012): Agrarian Activities (originally Savanna, Steppic Savanna/Seasonal Forest or 
Savanna/ Broadleaf Forest) = AA; Arboreous Savanna = AS; Arboreous Steppic Savanna = ASS; 
Grassy-Woody Savanna = GWS; Mangroves = MA; Moist Broadleaf Forest of Lowlands = MBFL; 
Savanna/ Broadleaf Forest = S/BF; Savanna/Seasonal Forest = S/SF; Seasonal Decidual Submontante 
Forest = SDSF; Secondary Vegetation and Agrarian Activities (originally Seasonal Decidual, Semi-
deciduous or Moist Broadleaf Forests) = SV/AA; Upper Montane Vegetational Refuges = UMVR.
MINAS GERAIS STATE: Serro, 1 – nln (18°36’10”S, 43°22’45”W, SV/AA, originally SSF); Diamantina, 2- Pousada Rural 
Recanto do Vale (18°23’43.2”S, 43°32’25.5”W, GWS), 3 - Lavrinha, Mineração Tejucana (18°14’58”S, 43°36’01”W, GWS), 
4 - Conselheiro Mata (18°14’44”S, 43°54’02”W, GWS), 5 – Parque Nacional das Sempre Vivas (17°55’02”S; 43°47’11”W, 
UMVR), 6 - Fazenda Santa Cruz (18°16’16.2”S, 43°23’18.8”W, GWS); São Gonçalo do Rio Preto, 7 - Parque Estadual do 
Rio Preto (18°05’20”S, 43°20’25”W, GWS); Felício dos Santos, 8 - Fazenda Sumidouro (18°11’34.4”S, 43°14’35.2”W, S/
SF), 9 - Pousada Água Quente (18°05’32.5”S, 43°10’26.2”W, S/SF); Bocaiúva, 10 - nln (17°06’59”S, 43°49”58”W, S/SF), 11 
- Mineração SADA (17°06’54”S, 43°49’16”W, S/SF), 12 - Distrito Carne Seca, Fazenda Corredor (17°02’14”S, 43°52’16”W, 
AA, originally S); Botumirim, 13 - Veredas de Botumirim, 32 km NW Caçaratiba (17°07’S, 43°02’W, S/SF); Turmalina, 
14 - nln (17°17’30”S, 42°43’05”W, S/SF), 15 - Road close to Córrego Divisão, 1 km SW Peixe Cru and Alambique do 
Joel, 800 m Peixe Cru (17°16’56”S, 42°44’07”W, S/SF), 16 - Usina Hidrelétrica de Santa Rita (17°17’08”S, 42°43’48”W, S/
SF), 17- Leme do Prado, Estação Ecológica de Acauã, 17 km N from Turmalina (17°08’S, 42°46’W, S/SF), 18 - Rodovia 
MG 367, km 405 (17°13’07”S, 42°35’25”W, S/SF); Minas Novas, 19 - nln (17°12’05”S, 42°36’07”W, S/SF), 20 - Córrego da 
Chácara (17°45’S, 42°30’W, SV/AA, originally SSF); Cristália, 21 - nln (16°49’S, 42°41’W, S/SF), 22 - Córrego Contendas 
(16°45’S, 42°52’W, AS), 23 - Left margin of Jequitinhonha River (16°43’S, 42°37’W, S/SF); Berilo, 24 - Buriti, margin of 
Jequitinhonha River (16°49’S, 42°41’W, S/SF), 25 - Buriti, Fazenda Irmãos Atachi (16°51’S, 42°38’W, S/SF); Grão Mogol, 
26 - Fazenda Giro (16°34’S, 43°02’W, AS), 27 - Usina Hidrelétrica Presidente Juscelino Kubitschek (UHE Irapé) (16°33’26”S, 
42°53’38”W, AS), 28 - Fazenda Curral Velho, 28 km E from Grão Mogol, Fazenda Maria das Neves and Fazenda do 
Matão (16°33’34”S, 42°53’23”W, AS); Chapada do Norte, 29 - Rio Capivari (17°06’S, 42°32’W, S/SF); Francisco Badaró, 30 
(16°58’52”S, 42°20’45”W, S/SF); Coronel Murta, 31- Ponte do Colatino, left margin of Jequitinhonha River (16°36’S, 42°12’W, 
AA, originally SS/SF); Virgem da Lapa, 32 - Fazenda Mandacarú (16°42’S, 42°13’W, S/SF), 33 - Fazenda Paiol (16°50’S, 
42°13’W, AA, originally SS/SF); Araçuaí, 34 - nln (16°51’20”S, 42°03’25”W, AA, originally SS/SF), 35- Jenipapo de Minas, 
50 km from Araçuaí (17°04’39”S, 42°15’25”W, SV/AA, originally SSF), 36 - Baixa Quente (16°57’00”S, 42°04’00”W, AA, 
originally SS/SF), 37 - Chapada do Lagoão, Serra do Tombo and Calhaquizinho (16°51’00”S, 42°04’13”W, AA, originally SS/
SF), 38 - Trilha do Rio Piauí (16°49’15”S, 41°52’47”W, AA, originally SS/SF), 39 - Fazenda Arqueana, Piauí river (16°43”S, 
41°53’W, S/SF); Itinga, 40 – Taquaral (16°43’S, 41°52’W, S/SF), 41 - Fazenda Santana (16°40’S, 41°59’W, AA, originally SS/
SF), 42 - Fazenda Santa Maria (16°36’S, 41°56’W, AA, originally SS/SF), 43 - Fazenda Ilha (16°39’42.6”S, 41°52’5.1”W, S/
SF), 44 - Fazenda Dona Marília (16°36’46.1”S, 41°49’35.5”W, S/SF), 45 - Fazenda Galiléia (16°34’56.4”S, 41°47’23.4”W, 
S/SF); Salinas, 46 - Fazenda Bamburral, Fazenda Umburana and Ribeirão Bananal (16°10’15”S, 42°17’26”W, AA, originally 
SS/SF); Taiobeiras, 47 – nln (15°46’06”S, 42°14’33”W, SV/AA, originally SDF); Rio Pardo de Minas, 48 – nln (15°36’02”S, 
42°32’22”W, S/SF); Padre Paraíso, 49 - Fazenda Palmares 17°07’18.6”S, 41°36’48.6”W, SV/AA, originally SSF); Itaobim, 
50 - Galery forest from the Piauí river, BR367 road (16°33’42”S, 41°30’12”W, ASS); Joaíma, 51 - Joaíma-Santana de Araçuaí 
road (16°45’24.6”S, 41°26’47.5”W, SSF), 52 - Fazenda Anta Podre (16°40’S, 41°59’W, AA, originally SS/SF), 53 - Fazenda 
Anga Pehy (16°43’7.6”S, 41°14’57.6”W, SV/AA, originally SDF); Jequitinhonha, 54 - Mata da Torre da Telemig (16°21’S, 
41°05’W, SV/AA, originally SSF), 55 - Reserva Biológica Federal da Mata Escura (16°24’28”S, 41°02’05”W SV/AA, 
originally SDF), 56 – nln (16°25’56”S, 41°00’06”W, SV/AA, originally SSF); Almenara, 57 - Fazenda Limoeiro (16°02’57”S, 
40°51’02”W, SV/AA, originally SSF), 58 - nln (16°03’31”S, 40°39’26”W, SV/AA, originally SSF), 59 - Fazenda Estancia 
Betania (16°01’S, 40°51’W, SV/AA, originally SSF), 60 – Copasa (15°51’19”S, 40°38’55”W, SV/AA, originally SSF); Bandeira, 
61 - Fazenda Serra Azul (15°48’64.4”S, 40°30’86.1”W, SV/AA, originally SSF), 62 - nln (15°52’59”S, 40°34’00”W, SV/AA, 
originally SSF); Jordania, 63 - nln (15°54’00”S, 40°10’59”W, SV/AA, originally SDF); Santa Maria do Salto, 64 - Fazenda 
Duas Barras (16°14’03”S, 40°08’42”W, SV/AA, originally SSF), Salto da Divisa, 65 - Fazenda Santana (15°57’S, 40°05’W, 
SV/AA, originally SDF), 66 – nln (16°00’57”S, 39°56’53”W, SDSF). BAHIA STATE; Itarantim, 67 - Fazenda Boa Vista 
(15°53’S, 40°09’W, SV/AA, originally SDF), 68 - Fazenda Bom Jardim (15°39’15”S, 40°03’48”W, SV/AA, originally SDF), 
69 - Fazenda Alsácea (15°30’S, 40°04’W, SV/AA , originally); Itapebi, 70 - Fazenda Santa Inês (15°46’S, 39°40’W, SV/AA, 
originally SSF), 71 - nln (15°57’03”S, 39°32’02”W, SV/AA, originally MBF); Mascote, 72 - Fazenda São José (15°34’05”S, 
Mastozoología Neotropical, 24(1):95-119, Mendoza, 2017
http://www.sarem.org.ar - http://www.sbmz.com.br
L Geise et al.118
APPENDIX II
Mammal species from the Jequitinhonha River Basin. Species are listed in alphabetic order. Speci-
mens captured by us are indicated by a star (*), specimens recovered from roads (road kill) are 
indicated by (RK) and karyotyped are indicated by a letter K (K). Localities are numbered as in 
Appendix I and Fig. 1, andspecimens are ordered by sex. F = females, M = males, U shows a 
specimen of undetermined sex. Acronyms are: Museu Nacional do Rio de Janeiro (MN), Museu 
de Zoologia da USP (MZUSP), Coleção do Laboratório de Mastozoologia e Manejo da Fauna do 
Departamento de Zoologia, Universidade Federal de Minas Gerais (UFMG and CC), Museu de 
Ciências Naturais da PUC Minas (MCN-M), Museu de Zoologia da Universidade Federal de Viçosa 
(MZUFV) and Coleção de Mastozoologia da Universidade Federal dos Vales do Jequitinhonha e 
Mucuri (MDIA)). Field number acronyms are LG (L. Geise). After first citation of an acronym, 
only the number is given. 
Akodon cursor -17 (F - UFMG2668, 2669K); 49 (M - MN82750*K); 53 (F - MN82738*K, 82741*K, 82742*K, 82743*K, 82744*K, 
82745*K, 82746*K, 82748*K; M - MN82739*K, 82740*K, 82747*K, 82749*K).
Alouatta guariba - 33 - (U - UFMG1473).
Callithrix penicillata - 46 (M - MCN-M38); 74 (M - MN23794). 
Calomys mattevii - 37 (U - MN42843); 44 (F - MN81105*K, 81106*K, 81107*K, 81109*K, 81110*K, 81113*, 81114*, 81115*; 
M - MN81108*K, 81111*K; U – MN81112*).
Calomys tener - 3 (M - UFMG1608); 12 (F - UFMG2454; M - UFMG2452, 2453); 27 (F - MCN-M1105); 34 (F - MCN-
M1089, 1106; M - MCN-M1094); 46 (M - MN42840); 47 (F - MCN-M732); 48 (F - MCN-M728, U- MCN-M727). 
Caluromys philander - 7 (M - MDIA43*); 8 (M - MN82751*K);
Cavia aperea - 5 (F - MCN-M1046; M - MDIA52*).
Cerdocyon thous - 43 (F - LG 1167RK); 50 (U – UFMG 3078).
Cerradomys scotti - 5 (M - MDIA24*); 6 (F - MN82753*K; M - MN82752*K); 7 (M - MDIA49*).
Cerradomys subflavus - 3 (U - UFMG1609, 1610, 1611); 5 (M - MDIA51*, 57*); 6 (F - MN82759*K); 7 (F - MDIA16*; M - 
UFMG2852, 2853; MDIA23*); 9 (F - MN82758*); 11 (M - MCN-M1); 12 (M - UFMG2457, 2458); 22 (F - UFMG1459); 
27 (F - MCN-M1075); 35 (M - MZUFV1877, 1923); 45 (M - UFMG1453, 1454); 46 (F - MN42841, MCN-M332; 
M - MN42844); 48 (M - MCN-M725); 50 (F - UFMG907); 53 (F - MN82754*K, 82757*K; M - MN82755*K, 82756*K).
Cerradomys vivoi - 45 (F - MN82762*, 82763*K, 82764*K, 82765*K; M - MN82760*K, 82761*K, 82766*K); 54 (M - UFMG1458).
Conepatus semistriatus - 19 (M - MCN-M99); 36 (U - MN43924); 46 (U - MN42855).
Dasypus novemcinctus - 3 (U - UFMG3085, 3086); 
Dasyprocta leporina -18 (M - UFMG1565)
Didelphis albiventris - 2 (F - MN82769*); 5 (M - MDIA50*); 9 (F - MN82770*K); 33 (F - UFMG1471; M - UFMG1472); 
38 (U: UFMG1566); 43 (M - MN82771*); 45 (F - MN82767*); 46 (M - MN42834); 49 (F - MN82772*); 53 (F - 
MN82768*); 56 (F - UFMG905). 
Didelphis aurita - 49 (F - MN82777*); 75 (F - MN82774*, 82775*; M - MN82773*, 82776*).
Euphractus sexcinctus - 15 (U - UFMG1105); 16 (U - UFMG3093); 46 (U - MN42849, 42851, 42852).
Euryoryzomys russatus - 53 (M - MN82778*K); 54 (M - UFMG1457); 72 (M - CC37).
Euryzygomatomys spinosus - 5 (M - MDIA78*; 84*).
Gracilinanus agilis - 2 (F - MN72692*); 3 (U – MCN-M315); 7 (M – MDIA06*; 14*, 19*; F - MDIA15*, UFMG2493, 2494); 
9 (M - MN72693*K); 12 (F - UFMG2433, 2434, 2435); 31 (F - UFMG2495); 37 (M - MN42842; U - MN42845); 43 
(F - MN82782*K, 82783*K, 82784*K, 82785*K, 82786*K; M - MN82779*K, 82780*K, 82781*K); 45 (F - MN72687*, 72690*, 
72691*; M - MN72686*K, 72688*, 72689*; U - UFMG1464); 47 (F - MCN-M734).
Gracilinanus microtarsus - 2 (F - MN72702*K); 6 (F - MN82788*K); 7 (F - MDIA44*); 9 (F - MN82787*K; M - MN72701*K); 
60 (U - UFMG1465). 
Galea spixii - 34 (U - MCN-M989); 48 (F - MCN-M735, M - MCN-M761).
Guerlinguetus brasiliensis - 49 (F – MN82791*K; M - MN82790*K, 82792*K); 75 (F – MN82789*). 
Hydrochoerus hydrochaeris - 71 (U - UFMG1048).
Hylaeamys seuanezi - 72 (M - CC35). 
Kerodon rupestris - 13 (U - UFMG1101).
Leopardus wiedi - 50 (U - UFMG3076).
39°17’07”W, S/BF); Belmonte, 73 - Fazenda Futurosa, Santa Maria Eterna (15°51’28”S, 39°24’38.2”W, AA, originally S/
BF); Passuí, 74 – nln (15°51’S, 38°54’W, MA); Santa Cruz de Cabrália, 75 – Reserva Particular do Patrimônio Natural 
Estação Veracel (16°21’11.6”S, 39°06’49.6”W, MBFL).
TERRESTRIAL MAMMALS OF THE JEQUITINHONHA RIVER BASIN, BRAZIL 119
Metachirus nudicaudatus - 7 (F - MDIA12*; M - MDIA13*); 17 (U - UFMG2654, 2655); 54 (F - UFMG1462; M - UFMG1568; 
U – UFMG1567); 75 (F - MN82847*; M - MN82846*K). 
Marmosa paraguayana - 7 (M - UFMG2648); 8 (F - MN82795*K; M - MN82794*K, 82796*K, 82797*K); 9 (M - MN82799*K, 
82800*K); 17 (F - UFMG2611; M - UFMG2612, 2613); 30 (F - MCN-M36); 46 (F - MCN-M26); 75 (M - MN82798*).
Marmosa murina - 75 (M - MN82793*K).
Marmosops incanus - 2 (F - MN82812*K, 82814*K, 82815*K; M - MN82813*K); 3 (F - UFMG1607); 5 (M - MDIA69*, 85*); 
6 (F - MN82820*K, 82821*, 82822*K, 82823*K); 7 (M - MDIA04*; UFMG2601); 8 (M - MN82808*K, 82809*K, 82810*K); 
9 (F - MN82817*K, 82818*K; M - LG596*K, MN82816*K, 82819*K); 11 (F - MCN-M326); 12 (F - UFMG2436, 2440, 
2441, 2442; M - UFMG2437, 2438); 14 (U - MN33840, 34426); 17 (F - UFMG2605); 27 (F - MCN-M1078, 1111); 28 
(F - UFMG1102); 30 (F - MCN-M46; M - MCN-M318); 31 (U - UFMG2610); 33 (M - UFMG1468, 1469, 1470); 45 
(M - MN82801*, 82802*K, 82803*); 49 (F - MN82824*K, 82828*K, 82829*K, 82830*, 82831*, 82835*, 82838*, 82839*K, 
82840*K, 82842*, 82843*; M - MN82825*K, 82826*K, 82827*K, 82832*, 82833*, 82834*, 82836*, 82837*, 82841*, 82844*, 
82845*); 53 (F - MN82804*; M - MN82805*, 82806*, 82807*K); 60 (M - UFMG1466, 1467).
Monodelphis americana - 9 (M - MN82848*K); 49 (M - MN82849*K, 82850*K).
Monodelphis domestica - 5 (M - MDIA47*; U - MCN-M1042); 6 (F - MN82866*K, 82867*K); 9 (F - MN82863*, 82864*K; 
M - MN82868*, 82865*K); 12 (F - UFMG2439); 30 (M - MCN-M41); 35 (M – MZUFV1925, 1926); 45 (F - MN82851*, 
82852*K, 82856*, 82857*K, 82860*, 82861*, UFMG1463; M - MN82853*K, 82854*, 82855*, 82858*, 82859*, 82862*); 46 
(U - MN46588, 46589; F - MCN-M24).
Monodelphis scalops - 5 (M - MDIA86*).
Necromys lasiurus - 5 (M - MDIA53*); 27 (M - MCN-M1079); 30 (F - MCN-M334); 46 (F - MCN-M35).
Nectomys squamipes- 5 (M - MDIA75*); 7 (M - UFMG2984, 2985); 8 (F - MN82881*K; M - MN82880*K, 82882*K); 9 
(M - MN82883*K, 82884*K); 24 (M - UFMG1451, 1452); 49 (F - MN82886*K); 53 (F - MN82869*K, 82872*K, 82876*, 
82877*; M - MN82870*K, 82871*K, 82873*K, 82874*K, 82875*, 82878*, 82879*); 75 (F - MN82885*K; M - MN82887*K).
Oecomys catherinae - 54 (M - UFMG1455); 72 (M - CC36).
Oligoryzomys nigripes - 5 (F - MDIA60*); 7 (M - MDIA11*); 9 (M - MN82888*K); 12 (F - UFMG2456, 2455); 31 (F - 
UFMG2743); 33 (F - UFMG1479); 47 (F - MCN-M733).
Oxymycterus dasytrichus - 5 (M - MDIA63*); 54 (F - UFMG1476; M - UFMG1475).
Philander frenatus- 9 (F - MN82889*K, 82890*, 82891*, 82892*).
Phyllomys lamarum - 17 (U - UFMG3016); 33 (M - UFMG1491).
Rhipidomys macrurus - 6 (M - MN82893*K); 12 (F - UFMG2460, 2461, 2462, 2463, 2464, M - UFMG2465), 31 (F - 
UFMG2934).
Rhipidomys mastacalis - 3 (U - UFMG1605, 1606); 4 (U – MCN-M49); 5 (M - MDIA76*, 77*); 6 (M - MN82896*K); 7 
(F - UFMG2926, 2927, 2928, M - UFMG2925, 2929); 9 (M - MN82895*K), 17 (F - UFMG2930); 33 (F - UFMG1450); 
46 (F – MN30021, U - MN30015); 49 (F - MN82897*K, 82900*K; M - MN82898*K, 82899*K); 54 (F - UFMG1461; 
M - UFMG1456, 1460); 73 (F - MN82894*K).
Sapajus robustus - 74 (F - MN23230, 23233, M - MN23228, 23229, 23232, 23234).
Sooretamys angouya - 12 (M - MCN-M1100).
Sylvilagus minensis - 48 (M - MCN-M860); 51 (M - MN82901RK).
Thalpomys lasiotis - 6 (M - MDIA9*).
Thrichomys apereoides - 2 (F - MN82914*K, 82915*K, 82916*K, 82917*, 82921*K, 82922*; M - MN82913*K, 82918*K, 
82919*K, 82920*K); 5 (M - MDIA54*, 55*, 56*); 6 (F - MN82932*, 82934*K; M - MN82933*K); 7 (F - UFMG3005, 
3006, 3007); 8 (F - MN82908*K, 82910*K, 82912*; M - MN82909*K, 82911*K); 9 (F - MN82923*K, 82927*K, 82928*K; 
M - MN82924*K, 82925*, 82926*K, 82929*K, 82930*K, 82931*K); 12 (F - UFMG2467, M - UFMG2468, 2469, 2472); 15 
(U - UFMG1096); 24 (F - UFMG1489, 1490); 27 (U - MCN-M1065); 28 (M - UFMG1098, 1482, 1486, 1487; MCN-
M1044; F - UFMG1480, 1481, 1483, 1484, 1485, 1488); 31 (U - UFMG3009); 35 (U – MZUFV1929, 1930, 1934; F 
- MZUFV1927; M - MZUFV1928); 44 (F - MN82903*K, 82904*K, 82905*K, 82906*K, 82907*K); 45 (F - MN82902*K);