Subfamily Eurypataginae Kroh 2007 (heart urchin)
Full reference: A. Kroh. 2007. Hemipatagus, a misinterpreted loveniid (Echinodermata: Echinoidea). Journal of Systematic Palaeontology 5:163-192
Parent taxon: Spatangidea according to A. Kroh and A. B. Smith 2010
See also Kroh 2007
Sister taxa: Eupatangidae, Loveniidae, Macropneustidae, Maretiidae, Megapneustidae, Spatangidae
Subtaxa: none
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution: there are no occurrences of Eurypataginae in the database