†Dendraster gibbsii humilis Kew 1920 (sand dollar)
Echinoidea - Clypeasteroida - Dendrasteridae
Full reference: W. S. W. Kew. 1920. Cretaceous And Cenozoic Echinoidea of the Pacific coast of North America. University Of California Publications Bulletin of the Department of Geology 23-236
Belongs to Dendraster gibbsii according to Kew 1920
Sister taxa: none
Type specimen: UCMP 11379
Ecology: slow-moving semi-infaunal detritivore
Distribution: found only at C.A.S. Loc. 928, Bernstein's Abalone Camp (Pliocene of Mexico)