Cephalopoda - Ellesmerocerida - Rioceratidae

Alternative combination: Endoceras consuetum

Full reference: F. W. Sardeson. 1896. The fauna of the Magnesian Series. Bulletin of the Minnesota Academy of Sciences 4:92-105

Belongs to Rioceras according to R. H. Flower 1964

See also Sardeson 1896

Sister taxa: Rioceras dartoni, Rioceras depressum, Rioceras escandei, Rioceras expansum, Rioceras fusiforme, Rioceras lobatum, Rioceras nondescriptum, Rioceras tubulare, Rioceras wellsi

Type specimen: lost (?)

Ecology: nektobenthic carnivore

Distribution: found only at Water main layering, Dubuque and South Fifth Avenue, Stillwater (Ordovician of Minnesota)

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Specimen images are retrieved through the ePANDDA API.