Apatornis is a genus of prehistoric birds endemic to North America during the late Cretaceous. It currently contains a single species, Apatornis celer, which lived around the Santonian-Campanian boundary, dated to about 83.5 million years ago. The remains of this species were found in the Smoky Hill Chalk of the Niobrara Formation in Kansas, Unite...
Found on
http://en.wikipedia.org/wiki/Apatornis
(from the article `bird`) ...to the infraclass Neornithes, or Carinata. Living alongside Hesperornis and other Odontornithes was a group of flying birds that included ...
Found on
http://www.britannica.com/eb/a-z/a/86
No exact match found.
