Cephalopoda - Ascocerida - Hebetoceratidae

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

See also Flower 1941, Sepkoski 2002 and Teichert et al. 1964

Sister taxa: Ecdyceras, Hebetoceras, Hebetoceratinae, Parvihebetoceras

Subtaxa: Montyoceras arcuatum Montyoceras curviseptatum Montyoceras titaniforme

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Type: Montyoceras arcuatum

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.