Lithornis' wing bones are similar to those of storks and vultures, meaning that unlike modern tinamous it was capable of soaring flight. [7] [8] [9] In a study about ratite endocasts, Lithornis …

Jan 7, 2025 · The facies articularis quadratica is deeply concave and forms two wing-like caudal projections. The bone has a large, slightly elevated facies articularis basipterygoidea of ovoid …

Lithornithids had long, slender, bills for probing. They closely resembled modern tinamous, aside from more developed wings. They possessed a rhynchokinetic skull with relatively unfused …

In this paper, we present descriptions of a new and exceptionally well-preserved spec-imen of the lithornithid Lithornis that in-cludes a complete skull, vertebral series (in-cluding the …

The evolutionary tree places Lithornis as a common ancestor of ratites. It had functional wings so could have flown overseas from the North to the Southern Hemisphere where it eventually...

Calciavis is an extinct genus of bird from the Eocene of Wyoming. It is a lithornithid, a member of a lineage of flying palaeognaths, distantly related to modern ratites. Like many other fossils …

They had long, thin legs and slender bodies, with long necks and long sharp bills, as well as strong wings. By Sheatherius, CC BY-SA 4.0 . Many different species of Lithornis are known, …

Jan 1, 2008 · The specimen is slightly smaller than Lithornis plebius from which it, however, differs in limb bone proportions. It constitutes the latest fossil record of the Lithornithidae in …

Sep 2, 2009 · In this paper we present a new and exceptionally well-preserved specimen of the Lower Eocene fossil palaeognath Lithornis that has a remarkable three-dimensionally …

The oldest raptorial bird (Lithornis) known is from the late Paleocene Epoch (57.9 to 54.8 million years ago) and may have been a New World vulture (family Cathartidae). Cathartids may have …