Cephalopoda - Goniatitida - Metalegoceratidae

Full reference: W. W. Nassichuk. 1970. Permian ammonoids from Devon and Melville Islands, Canadian Arctic Archipelago. Journal of Paleontology 44(1):77-97

Belongs to Sverdrupites according to T. B. Leonova and O. P. Shilovsky 2007

Sister taxa: Sverdrupites baraiensis, Sverdrupites bogoslovskayae, Sverdrupites harkeri, Sverdrupites kosynskyi, Pseudosverdrupites budnikovi

Type specimen: GSC 24224. Its type locality is GSC C-1930, St. Arnaud Hils, Sabine Peninsula, Melville Island, which is in a Roadian coastal sandstone in the Assistance Formation of Canada.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 19.3, shell diameter 38.5