Sentences with phrase «fossil ulna»

Not exact matches

Eusthenopteron (385 million years ago): Known from thousands of fossils, the lobe - finned fish's four meaty limbs have the same pattern of bones seen in the limbs of all tetrapods: a single bone nearest the body (your arm's humerus and your leg's femur), two bones farther out (your arm's radius and ulna and your leg's tibia and fibula).

The researchers used X-ray microtomography to examine two different wing bones — the humerus, or upper arm bone, and a lower arm bone called the ulna — in three Archaeopteryx fossils.