Genus: Horezmavis NESOV & BORKIN, 1983
Etymology: “Khorezm bird” for the Khorezmskaya Oblast’ (District), Karakalput autonomous region, Uzbekistan.

Species: eocretacea NESOV & BORKIN, 1983
Etymology: Greek, eo, "early" + Cretaceous.

Holotype: PO 3390

Locality: Site SKH-20, Khodzhakul, southwestern Kyzylkum Desert, Karakalpakian Autonomous Republic, Uzbekistan.

Horizon: Lower or middle part of the Khodzhakul Formation.

Biostratigraphy:

Age: Latest Albian, Middle Gallic Subepoch (Varkonian), Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Proximal piece of a left tarsometatarsus.

Note: As per NESOV, 1997