†subfamily Phymosomatinae Pomel 1883 (sea urchin)
Echinoidea - Calycina - Phymosomatidae
Parent taxon: Phymosomatidae according to S. G. Parma and S. CasadÃo 2005
Sister taxa: Acanthechinus, Actinophyma, Aeolopneustes, Cosmocyphus, Dixieus, Gauthieria, Glyptocidaris, Glyptocyphus, Hemithylus, Jacquiertia, Lambertechinus, Leptechinus, Micropsis, Narindechinus, Phymosoma, Pleurodiadema, Plistophyma, Polyplacidia, Porosoma, Rachiosoma, Thylechinus, Winkleria
Subtaxa: none
Ecology: slow-moving low-level epifaunal omnivore
Distribution: there are no occurrences of Phymosomatinae in the database