Cephalopoda - Oncocerida - Graciloceratidae

Parent taxon: Graciloceratidae according to R. E. Crick 1981

See also Sepkoski 2002 and Teichert et al. 1964

Sister taxa: Graciloceras, Isbergoceras, Kundoceras, Leonardoceras, Piersaloceras, Pomerantsoceras, Porkunioceras, Ringoceras

Subtaxa: Eorizoceras platyceroides

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Ecology: fast-moving nektobenthic carnivore

Distribution: found only at Little Monty Bay (=Trombley Bay), Valcour Fm. (Ordovician of New York)

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Specimen images are retrieved through the ePANDDA API.