†Campbelloceras hyatti Ulrich et al. 1942 (mollusk)
Cephalopoda - Tarphycerida - Tarphyceratidae
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
Belongs to Campbelloceras according to B. Kröger and E. Landing 2009
Sister taxa: Campbelloceras brevicameratum, Campbelloceras mcgerriglei, Campbelloceras rotundum, Campbelloceras virginianus
Ecology: fast-moving nektobenthic carnivore