Cephalopoda - Nautilida - Domatoceratidae

Alternative spelling: Grypoceras (Plummeroceras)

Full reference: B. Kummel. 1953. American Triassic coiled nautiloids. United States Geological Survey Professional Paper 250:1-104

Parent taxon: Domatoceratidae according to D. Korn 2025

See also Kummel 1953, Pérez-Valera et al. 2017, Sepkoski 2002 and Teichert et al. 1964

Sister taxa: Domatoceras, Fididomatoceras, Neodomatoceras, Neostenopoceras, Omorphoceras, Paradomatoceras, Parapenascoceras, Penascoceras, Permodomatoceras, Pselioceras, Shatoceras, Stenodomatoceras, Titanoceras, Virgaloceras

Subtaxa: Plummeroceras plummeri

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Type: Grypoceras (Plummeroceras) plummeri

Ecology: nektobenthic carnivore

Distribution: found only at B.E.G. 30-T-9 (H-6), Baird, Callahan County (Permian of Texas)

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Specimen images are retrieved through the ePANDDA API.