Genus: aff Microcosmodon WOOD & ORMSBEE, 1954

Species: sp

Locality: From a blowout on the Altman property, on the Lance Creek-Crazy Woman Creek divide, east of the Lance Creek-Hampshire road, 17.3 miles by road north of Lance Creek, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

AM 10448: RP4.