Genus: Ceramornis BRODKORB, 1963
Etymology: From Greek, keramos, "potter’s clay" and Greek, ornis (masculine), "bird."

Species: major BRODKORB, 1963
Etymology: Latin, major, "meaning greater."

Holotype: UCMP 53959

Locality: UCMP V-5620, Lull Quarry, near the head of a tributary of Buck Creek, Powder River Basin, Niobrara County (Formerly Converse County), Wyoming.

Horizon: Upper Lance Formation.


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

Material: Upper portion of a right coracoid.