Possible alternative explanations are that the small reptile bone was deliberately ingested for nutrients (Esque and Peters 1994; White 2011), or that the bone was accidentally associated with the dinosaurian
remains (Fedak 2007).
"Birds out-shrank and out-evolved their dinosaurian
ancestors, surviving where their larger, less evolvable relatives could not," says Associate Professor Lee.
"All modern birds lack teeth, but early birds such as Archaeopteryx had teeth inherited from their non-bird, dinosaurian
The little work done on the eggs since Kitching's find seemed to cast doubt on their dinosaurian
But there are certain poetic infelicities which, touchstones, down-to-earth verisimilitudes, icons even, of modernity though they may be, I am too dinosaurian
appreciatively to accept - i.e.
These extremely primitive birds date from about 70 million years ago, in the Cretaceous period, and retain many characteristics of their dinosaurian
ancestors, researchers say.
animals are described in the Bible.
"Most provocatively, Anchiornis is presented in this artwork climbing in the manner of hoatzin chicks, the only living bird whose juveniles retain a relic of their dinosaurian
past, a functional claw," said Evan Saitta in a (http://www.bris.ac.uk/news/2017/november/feathered-dinosaurs.html) news release on University of Bristol website.
(1993): The role of Central Asia in dinosaurian
"What is remarkable is that this tendency to have more species at a bigger size seemed to evolve quite early on in dinosaurian
evolution around the Late Triassic period, 225 million years ago, raising questions about why they got to be so big," said Dr David Hone from Queen Mary's School of Biological and Chemical Sciences.
The Dorking fowl's anatomy so closely matched the dinosaurs' that if the bird bones "were found in a fossil state, I know not by what test they could be distinguished from the bones of a dinosaurian
," Huxley told his peers at the Geological Society in London in an 1869 address.
(1979): Discovery of the dinosaurian
egg and footprint from Neixiang County, Henan Province.