ammonites
Melagathiceras crassum Tozer 1961 (ceratite)

Cephalopoda - Ceratitida - Melagathiceratidae

Alternative combination: Juvenites crassus

Full reference: E. T. Tozer. 1961. Triassic stratigraphy and faunas, Queen Elizabeth Islands, Arctic Archipelago. Geological Survey of Canada Memoir 316:1-116

Belongs to Melagathiceras according to E. T. Tozer 1994

Sister taxon: Melagathiceras globosus

Type specimen: GSC 14081

Ecology: nektonic carnivore

Average measurements (in mm): shell width 16.0, shell diameter 18.1