Rhynchonellata - Terebratulida - Postepithyrididae
Full reference: I. Seifert. 1963. Die Brachiopoden des oberen Dogger der Schwäbischen Alb [Brachiopods from the Upper Dogger of the Swabian Alb]. Palaeontographica Abteilung A 121:156-203
Parent taxon: Postepithyrididae according to A. Williams et al. 2006
Sister taxa: Arceythyris, Caryona, Conarothyris, Epithyris, Euidothyris, Ferrythyris, Galliennithyris, Glyphisaria, Habrobrochus, Heimia, Holcothyris, Juralina, Kutchithyris, Maritimithyris, Millythyris, Moeschia, Peculneithyris, Perrierithyris, Petalothyris, Plectoidothyris, Postepithyris, Pseudoaulacothyris, Somalithyris, Thadiqithyris, Xestosina
Subtaxa: Gigantothyris abscondita, Gigantothyris blanda, Gigantothyris deducta, Gigantothyris dorsoplanata, Gigantothyris gigantea, Gigantothyris luculenta, Gigantothyris ochoticus, Gigantothyris pulchra
Ecology: stationary epifaunal suspension feeder