Cephalopoda - Nautilida - Grypoceratidae

Alternative combination: Metacoceras sublaeve

Belongs to Stearoceras according to A. K. Miller and W. Youngquist 1949

Sister taxa: Stearoceras conchiferum, Stearoceras gibbosum, Stearoceras hesperium, Stearoceras immane, Stearoceras involutum, Stearoceras militarium, Stearoceras phosphoriense, Stearoceras punjabicum, Stearoceras simplex, Stearoceras smithi

Type specimen: Its type locality is Roca, quarry 1.25 miles NE, Lancaster County, which is in an Asselian marine limestone in the Neva Formation of Nebraska

Distribution: found only at Roca, quarry 1.25 miles NE, Lancaster County

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Specimen images are retrieved through the ePANDDA API.