Turonian
Kansas to Colorado
Original presentation: Mammites wingi
Original publication: Morrow, A. L. 1935. Cephalopods from the Upper Cretaceous of Kansas. Journal of Paleontology 9(6): 463-473 [pp. 467-468, pl. 51, fig 2, pl. 52, figs 2a-c, text fig 2].
Holotype: KUMIP 286266.
Type locality: Cloud County, Kansas (Morrow, 1935).
Type horizon: Jetmore Member of the Greenhorn Formation (Morrow, 1935).
PaleoDB taxon number: 143711.
Synonyms: Mammites rectangulus Morrow, 1935 (source: Cobban and Scott, 1973); Mammites wingi Morrow, 1935 (source: Cobban and Hook, 1983).