Rhynchonellata - Terebratulida - Dielasmatidae

Full reference: T. N. Smirnova. 2004. A new genus and revision of known species of early Kazanian (Upper Permian) terebratulids from the eastern Russian platform. Paleontological Journal 38(4):373-380

Parent taxon: Dielasmatidae according to T. N. Smirnova 2004

Sister taxa: Centronelloideinae, Dielasmatinae, Grigorjevaelasma, Gruntelasma, Lengwuella, Nucleatulinae, Ustritskia

Subtaxa: Campbellelasma variiforme, Campbellelasma vulgaris

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Ecology: stationary epifaunal suspension feeder