Maiasaura Vertebra - SOLD 1.91" Fossil with Stand carboniferousplant ” Palaeogeography

” Palaeogeography

full dorsal Dimetrodon fossil vertebra

Hyracodon’s extinction towards the end of the Oligocene

16-18": The top chain measures 16 inches (~40cm) and the bottom chain measures 18 inches (~46cm)

Petrified Evergreen Tree (c

Maiasaura Vertebra - SOLD 1.91" Fossil with Stand carboniferousplant ” PalaeogeographyMaiasaura was a large Ornithischian dinosaur from the Cretaceous Period. Related to Iguanodons, they are known primarily for nurturing their young past hatching, a behavior previously unknown of any dinosaur. The Maiasaura and its Hadrosaur cousins had specialized "duck bills" for mouths. These were in fact elongated rostral bone structures that gave the appearance of a beak, but actually housed hundreds of small teeth to grind through all manner of