Rhynchonellata - Terebratulida - Dielasmatidae

Full reference: D. L. Sun and S. L. Ye. 1982. Middle Triassic brachiopods from the Tosu Lake area, central Qinghai. Acta Palaeontologica Sinica 21(2):153-173

Parent taxon: Dielasmatinae according to A. Williams et al. 2006

See also Sepkoski 2002

Sister taxa: Adygella, Amygdalocosta, Aspidothyris, Bittnerithyris, Coenothyris, Cruratula, Dareithyris, Dielasma, Dielasmina, Dongbaella, Ectoposia, Elasmata, Fletcherithyris, Plectelasma, Praerhaetina, Sulcatinella, Tibetothyris, Tosuhuthyris, Tunethyris, Whitspakia, Yochelsonia

Subtaxa: Pirithyris pius

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Type: Pirithyris pius

Ecology: stationary low-level epifaunal suspension feeder

Distribution: found only at Naocangjian Valley 72P1F46-8, Heihai District, Madoi County (Triassic of China)

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Specimen images are retrieved through the ePANDDA API.