†Hemithylus (sea urchin)
Click image to enlarge. Click to access iDigBio record.
Echinoidea - Calycina - Phymosomatidae
Parent taxon: Phymosomatidae according to H. B. Fell and D. L. Pawson 1966
See also Sepkoski 2002
Sister taxa: Acanthechinus, Actinophyma, Aeolopneustes, Cosmocyphus, Dixieus, Gauthieria, Glyptocidaris, Glyptocyphus, Jacquiertia, Lambertechinus, Leptechinus, Micropsis, Narindechinus, Phymosoma, Phymosomatinae, Pleurodiadema, Plistophyma, Polyplacidia, Porosoma, Rachiosoma, Thylechinus, Winkleria
Subtaxa: none
Ecology: slow-moving low-level epifaunal omnivore
Distribution: found only at Rügen Island, White Chalk (Cretaceous of Germany)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.