Rhynchonellata - Terebratulida - Dielasmatidae

Full reference: A. S. Dagys. 1974. Triassic Brachiopods (Morphology, Classification, Phylogeny, Stratigraphical Significance and Biogeography) 1-387

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

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

Subtaxa: Sulcatinella dorsaplana, Sulcatinella gregalis, Sulcatinella incrassata, Sulcatinella opima, Sulcatinella ovata, Sulcatinella semiplana, Sulcatinella sulcata, Sulcatinella waehneri

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Type: Sulcatinella sulcata

Ecology: stationary epifaunal suspension feeder