Check out a week full of exciting shark programming on Nat Geo Wild's SharkFest, starting July 23. Sharks don't have tongues to help them swallow food, so instead, some shrug their shoulders to keep ...

An isolated but three-dimensionally preserved pectoral girdle from the Rock Point Formation (Rhaetian) of New Mexico represents the youngest known drepanosaurid. The specimen preserves, in ...

1. A comparative study was made of the morphological changes occurring in the osteology of the limbs and girdles of the degenerate, snake-like lizards. For purposes of comparison a morphological ...

In addition, they used measurements of mosasaur pectoral girdles published in other studies. They determined that the mosasaurs' unusually large and low-placed pectoral girdle supported large muscle ...

When a terrestrial vertebrate stands, its body hangs from the vertebral column which supports the weight of the trunk like the arch of a suspension bridge and transmits it to the ground by two sets of ...

Phoenix, Arizona, USA: Mosasaurs were true sea monsters of late Cretaceous seas. These marine lizards -- related to modern snakes and monitor lizards -- grew as long as fifty feet, flashed two rows of ...