Open Directory - Science: Biology: Flora and Fauna: Animalia: Echinodermata: Clypeasteroida

Biogeography of the Western Sand Dollar (Dendraster excentricus) - Project by Karen Vitulano on this echinoid, including its description, natural history, reproduction, evolution and distribution.
Sand Dollar - Information from Wikipedia on the classification and biology of the sand dollar.
The Common Sand Dollar - Article by Cheryl Page on this species, Echinarachnius parma, and its life on the sea bed.
The History of the Sand Dollar - Information on this urchin, and a poem called “The legend of the sand dollar”.

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Last update: Sunday, November 15, 2009 2:50:27 AM EST - edit