Sea Urchin
(Arbacia punctulata)

Kingdom: Animalia

     Phylum:
Echinodermata

          Class:
Echinoidea

               Order:
Arbacioda

                    Family:
Arbaciidae

                         Genus:
Arbacia

                              Species:
punctulata
Click thumbnail images below to view full-size images.


oral view
(close up)


aboral view
(close up)


aristotle's lantern


aboral view


oral view


aboral view
(spines removed)



oral view
(spines removed)


oral tube feet


internal

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Last updated: 11/15/99 caf/cac