Genus: Palaeopteryx JENSEN, 1981 (nomen dubium)

Species: thomsoni JENSEN, 1981 (nomen dubium)

Holotype: BYU 2022

Locality: Dry Mesa Quarry 1, sec. 23, T.50N, R.14, Mesa County, on the Uncompahgre Plateau, in Western Colorado.

Horizon: Lower Upper Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 2.

Age: Lower Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Distal radius.

Note: May be an archaeopterygid.