Aves - Strigiformes - Heterostrigidae

Full reference: E. N. Kurochkin and G. J. Dyke. 2011. The First Fossil Owls (Aves: Strigiformes) from the Paleogene of Asia and a Review of the Fossil Record of Strigiformes. Paleontological Journal 45(4):445-458

Parent taxon: Strigiformes according to E. N. Kurochkin and G. J. Dyke 2011

Sister taxa: Berruornis, Bubonidae, Ogygoptyngidae, Palaeoglaucidae, Primoptynx, Protostrigidae, Selenornithinae, Sophiornithidae, Strigidae, Tytonidae

Subtaxa: Heterostrix

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Ecology: volant carnivore

Distribution: found only at left side of Taatsiin Gol valley (Oligocene of Mongolia)

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