A giant new dinosaur discovered in Spain is rewriting Europe’s prehistoric map—revealing a long-necked titan.

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

Pterosaur cervical vertebrae had unique specializations ... 2003, Habib & Godfrey 2010, Naish & Witton 2017). Dorsal muscles arranged superficially at the base of the neck and associated with the ...