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Eorizoceras Flower 1943 (mollusk)

Cephalopoda - Oncocerida - Graciloceratidae

PaleoDB taxon number: 13017

Parent taxon: Graciloceratidae according to C. Teichert et al. 1964

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

Subtaxa: Eorizoceras platyceroides

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Ecology: fast-moving nektobenthic carnivore