''Ogygoptynx'' is an extinct genus of

owl Owls are birds from the order Strigiformes (), which includes over 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers a ...

from the

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch that lasted from about 66 to 56 million years ago (mya). It is the first epoch of the Paleogene Period in the modern Cenozoic Era. The name is a combination of the Ancient Greek ''pal ...

. Dated to the Late Paleocene, this is the earliest known owl fossil, with a single species assigned to the taxon: ''Ogygoptynx wetmorei''.
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References

*Rich, Patricia Vickers & David J. Bohaska, 1981. The Ogygoptyngidae, a New Family of Owls from the Paleocene of North America. Alcheringa 5: 95–102.
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*Sankar Chatterjee. ''The Rise of Birds: 225 Million Years of Evolution'', pg. 251. *James R. Duncan. ''Owls of the World: Their Lives, Behavior and Survival'', pg. 72. Paleocene birds Extinct birds of North America {{paleo-bird-stub