7.6" Hadrosaur (Edmontosaurus) Anterior Caudal Vertebra - Wyoming

Hadrosaur (Edmontosaurus) Anterior Caudal Vertebra - Wyoming #232745

This is a nice, 7.6" wide, anterior caudal vertebra of a hadrosaur (Edmontosaurus annectens), collected from our partner's lease on the Lance (Creek) Formation in Niobrara County, Wyoming. The vertebra is nearly complete with transverse processes, articulation points of the chevron, prezygapophyses, postzygapophyses, and an intact neural canal, missing only the distal end of the spinous process. Overall, this vertebra is in good condition with unique but excellent bone detail preservation.

The vertebra stands up nicely on its own, however it is accompanied by an acrylic display stand to assist with preferred presentation.

There are fractures throughout the vertebra that occurred during preservation, though with some glue stabilization in spots, this vertebra is very sturdy. Both transverse processes are intact with weathered distal ends. The spinous process is missing just superior to the postzygapophysis.

Hadrosaurs

are frequently referred to as duck-billed dinosaurs and are members of the Ornithischian family Hadrosauridae. They were fairly common herbivores that roamed Asia, Europe, and North America during the Upper Cretaceous Period. Many species of Hadrosaurs had distinctive crests on their heads, some of which had air-filled chambers that may have produced a distinct sound. These crests may have been used for both audio and visual display purposes.

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