The chelonians are a very ancient race, and one that has changed remarkably little since its beginning.
How did these hugechelonians get to these islands?
Most chelonians may exist for a very long time without breathing, and can stay for hours or even days under water.
If the branch of the Chelonians has given rise to birds, we can yet presume that the palmipede aquatic birds, especially the brevipennes, such as the penguins and the manchots, have given origin to the monotremes.
This may occur while the stomach still retains its primitive tubular form, as in most chelonians (Fig.
In lacertilians and in some chelonians a lateral offshoot of the pancreas is directed transversely and is adherent to the spleen.
The stomach itself, as in chelonians generally, has a markedly transverse position and passes under cover of the right lobe of the liver into the duodenum.
While the gland usually has a single duct, yet two ducts are found in a number of animals (many mammals, birds, chelonians and crocodiles).
In Chelonians the surface of the skull is continuous without movable articulations.
Others resemble that remarkable reptile, the Rhyncosaurus of the English Trias, a creature having some relation in its osteology both to chelonians and birds.
Any one of several very large species of chelonians having the feet converted into paddles, as the green turtle, hawkbill, loggerhead, and leatherback.
Defn: A division of chelonians which comprises Trionyx and allied genera; -- called also Trionychoides, and Trionychina.
Chelonians possess a pair of bones termed coracoids which have no connexion with a sternum; and their scapulae are formed of two widely divergent bars, divided by a deeper notch than is found in any fossil reptiles.
A group of chelonians which comprises many species of fresh-water tortoises and terrapins.
The Pterodactyl also, a flying reptile, is met with in the same strata, and many remains of Chelonians of the genera Trionyx and Emys, now confined to tropical regions.
He was not deceived; the noise was produced by innumerable chelonians of all sizes, who were attracted to the islands to lay their eggs.
Retention of scutes protects the shell of terrestrialchelonians against wear.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "chelonians" in a variety of sentences. We hope that you will now be able to make sentences using this word.
