Genus: Abavornis PANTHELEEV, 1998
Etymology: Latin, abavus, “great-great-grandfather”, and Latin, ornis, “bird”: Great-great-grandfather bird.

Species: bonaparti PANTHELEEV, 1998
Etymology: In honor of the Argentinean paleontologist Jose P. Bonaparte.

Holotype: TSNIGRM NTS 56/11915

Locality: Locality CBI-14, Dzhyrakuk, Kizylkum Desert, Navoi District, Bukhara Region, Uzbekistan.

Horizon: Bissekty Formation.

Biostratigraphy:

Age: Coniacian Stage, Lower Senonian Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: Middle part of a right coracoid.