Cephalopoda - Orthocerida - Proteoceratidae

Alternative combinations: Hammelloceras hammelli, Orthoceras hammelli, Spyroceras hammelli

Belongs to Gorbyoceras according to R.H. Flower 1946

Sister taxa: Gorbyoceras clathroannulatum, Gorbyoceras gorbyi, Gorbyoceras gracile, Gorbyoceras tetreauense, Gorbyoceras textumaraneum