Lenesornis is a genus of enantiornithine birds which lived during the Late Cretaceous about 90 Ma and is known from fossils found in the Bissekty Formation in the Kyzyl Kum, Uzbekistan.Kurochkin, E. N. (1996) A new enantiornithid of the Mongolian Late Cretaceous, and a general appraisal of the infraclass Enantiornithes (Aves). Russian Academy of Sciences Palaeontological Institute Special Issue 1-60
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