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Arkoceras Ulrich et al. 1942 (mollusk)

Cephalopoda - Tarphycerida - Trocholitidae

PaleoDB taxon number: 13351

Full reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1942. Ozarkian and Canadian cephalopods, Part I: Nautilicones. Geological Society of America Special Papers 37:1-157

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

Sister taxa: Curtoceras, Discoceras, Graftonoceras, Hardmanoceras, Jasperoceras, Litoceras, Palaeonautilus, Schroederoceras, Trocholites, Trocholitoceras, Wichitoceras

Subtaxa: Arkoceras exiguum

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Type: Arkoceras exiguum

Ecology: fast-moving nektobenthic carnivore