Rhynchonellata - Terebratulida - Dielasmatidae

Full reference: T. A. Smirnova. 2004. Systematic Paleontology, in New Lower Kazanian (Upper Permian) Terebratulids (Brachiopoda) from the Northeastern Russian Platform: Family Dielasmatidae Schuchert, 1913. Paleontological Journal 38:39-44

Parent taxon: Dielasmatidae according to A. Williams et al. 2007

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

Subtaxa: Gruntelasma bajtuganensis, Gruntelasma disciformis

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Ecology: stationary epifaunal suspension feeder