Reptiles have up to two vertebrae fused together into a sacrum, but to be a dinosaur an animal needs at least three. Some modern birds have up to 12 sacra. These changes likely occurred as a result of ...

Nigersaurus, known as the “Mesozoic cow”, was a peculiar sauropod from the Middle Cretaceous Niger. With a broad snout and ...

An enormous, extremely well preserved dinosaur skull unearthed in China ... The new discovery comprises a skull and nine or neck vertebrae. "Due to the lack of preserved shoulder girdle, pelvic ...

Royal Tyrrell Museum of Palaeontology This latest fossil — a two-inch neck vertebra — was found by students during a dig in 2023 in the Dinosaur Park Formation in the badlands of Alberta.