sea urchin pedicellariae - invertebrados-4

sea urchin pedicellariae

https://img.youtube.com/vi/q3RF7sgV2fM/sddefault.jpg
This sea urchin lost all but a few spines during shipment; however, it affords us a better view of the different types of pedicellariae that arise from the test. Note the many podia (external portions of the tube feet) as well.
UFPE

Disciplina: invertebrados-4