†subfamily Cardiotaxinae Smith and Jeffery 2000 (sea urchin)
Echinoidea - Holasteroida - Cardiasteridae
Full reference: A. B. Smith and C. H. Jeffery. 2000. Maastrichtian and Palaeocene echinoids: a key to world faunas. Special Papers in Palaeontology 63:1-406
Parent taxon: Cardiasteridae according to A. Kroh and A. B. Smith 2010
Sister taxa: none
Subtaxa: none
Ecology: semi-infaunal detritivore
Distribution: there are no occurrences of Cardiotaxinae in the database