†Gongrochanus Kier 1962 (sand dollar)
Echinoidea - Clypeasteroida - Faujasiidae
PaleoDB taxon number: 33219
Full reference: P. M. Kier. 1962. Revision of the cassiduloid echinoids. Smithsonian Miscellaneous Collections 144(3):1-262
Parent taxon: Faujasiidae according to P. M. Kier 1966
Sister taxa: Australanthus, Domechinus, Eurypetalum, Faujasia, Fauraster, Lefortia, Petalobrissus, Pygidiolampas, Rhynchopygus, Stigmatopyginae, Zuffardia
Subtaxa: Gongrochanus herscheliana
Ecology: slow-moving semi-infaunal detritivore