Cephalopoda - Ellesmerocerida - Ellesmeroceratidae

Full reference: R. H. Flower. 1964. The Nautiloid Order Ellesmeroceratida (Cephalopoda). State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, Memoir 12:234 p.

Belongs to Barnesoceras according to R. H. Flower 1964

Sister taxa: Barnesoceras clavatum, Barnesoceras conosiphonatum, Barnesoceras expansum, Barnesoceras lamellosum, Barnesoceras lentiexpansum, Barnesoceras transversum

Type specimen: RHF 246, a shell. Its type locality is Threadgill Creek section (272-276 ft above base of Threadgill Mbr.), which is in a Gasconadian shallow subtidal lime mudstone in the Tanyard Formation of Texas.

Ecology: nektobenthic carnivore