Rhynchonellata - Athyridida - Athyrididae

Full reference: N. M. Savage, G. D. Eberlein, and M. Churkin, Jr. 1978. Upper Devonian brachiopods from the Port Refugio Formation, Suemez Island, southeastern Alaska. Journal of Paleontology 52(2):370-393

Parent taxon: Athyridinae according to A. Williams et al. 2002

Sister taxa: Actinoconchus, Alvarezites, Athyris, Atrythyris, Brimethyris, Bruntonites, Eifyris, Gonathyris, Imacanthyris, Lamellosathyris, Meristospira, Pachyplax, Protathyris, Zonathyris

Subtaxa: none

Ecology: stationary low-level epifaunal suspension feeder