†family Conoclypeidae von Zittel 1879 (sand dollar)
Echinoidea - Clypeasteroida - Conoclypeidae
Alternative spelling: Conoclypidae
Full reference: K. A. von Zittel. 1879. Handbuch der Palaeontologie 1(1):1-765
Parent taxon: Clypeasteroida according to A. Kroh and A. B. Smith 2010
See also Wagner and Durham 1966
Sister taxa: Clypeasterina, Faujasiidae, Laganina, Oligopygidae, Plesiolampadidae, Prowillungaster, Rotulina, Runa, Scutellina, Tournoueraster, Willungaster
Subtaxa: Conoclypus Oviclypeus
Type: Conoclypus
Ecology: slow-moving semi-infaunal detritivore
Distribution: