Related Overviews


'Pedinoida' can also refer to...


More Like This

Show all results sharing this subject:

  • Zoology and Animal Sciences


Show Summary Details

Quick Reference

(class Echinoidea, superorder Diadematacea)

An order of regular echinoids, of subconical to depressed hemispherical shape, which have simple or compounded, diadematoid, ambulacral plates, and shallow slits notching the peristomal margin for the passage of gills. They first appeared in the Triassic.

Subjects: Zoology and Animal Sciences.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.