California's Biology: Plants, Animals and Communities
Aquatic Invertebrates
CA Dept. of Fish and Game, Threatened and Endangered Invertebrates
Common Intertidal Invertebrates of Central California, Fact sheets and photos
The Cephalopod Page Includes Cephbase- databases for observations, prey, images, video & more
Invertebrate Photos from Calphotos
The Cal Academy of Sciences Echinoderm Page
Department of Invertebrate Zoology and Geology, Cal Academy of Sciences
