Rhynchonellata - Terebratulida - Pseudodielasmatidae
Full reference: K. G. Brill. 1940. Brachiopods of the Whitehorse Sandstone, in Invertebrate fauna of the late Permian Whitehorse Sandstone. Geological Society America Bulletin 51:261-336
Parent taxon: Pseudodielasmatidae according to A. Williams et al. 2006
Sister taxa: Fredericksolasma, Levenolasma, Marinurnula, Oligothyrina, Pleurelasma, Pseudolowenstamia
Subtaxa: Pseudodielasma brilli, Pseudodielasma gibberum, Pseudodielasma globulum, Pseudodielasma jipuensis, Pseudodielasma lobatum, Pseudodielasma magnum, Pseudodielasma minor, Pseudodielasma orientalum, Pseudodielasma ovatum, Pseudodielasma perplexa, Pseudodielasma pingue, Pseudodielasma pinyonense, Pseudodielasma plicatum, Pseudodielasma scutulatum, Pseudodielasma subcirculare, Pseudodielasma sulcatum
Ecology: stationary epifaunal suspension feeder