†Douvillaster (heart urchin)
Echinoidea - Spatangoida - Toxasteridae
PaleoDB taxon number: 33376
Parent taxon: Toxasteridae according to P. M. Kier 1984
Sister taxa: Adytaster, Aphelaster, Enallaster, Enallopneustes, Heteraster, Isaster, Macraster, Mokotibaster, Polydesmaster, Toxaster
Subtaxa: Douvillaster triangularis
Ecology: slow-moving shallow infaunal deposit feeder-detritivore