Edmontonia
Edmontonia was an armoured dinosaur, of the nodosaur family from the Upper Cretaceous of Canada.[1] It was heavy and tank-like at about 6.6 m (22 ft) long.[2] It had bony plates on its back and head, many sharp spikes along its back and tail and four large spikes jutting out from its shoulders on each side. To protect itself from predators, it may have crouched down on the ground to protect its defenceless underbelly.
| Edmontonia Temporal range: Late Cretaceous,
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| Mounted skeleton of E. rugosidens, specimen AMNH 5665 | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | Ornithischia |
| Family: | Nodosauridae |
| Genus: | Edmontonia Sternberg, 1928 |
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Edmontonia Media
Size comparison of the nodosaurid ankylosaur Edmontonia rugosidens. The human silhouette 180 cm is from
- Silhouette of man standing and facing forward.svg (CC0).*References* * Edmontonia skeletal diagram by Scott Hartman *
Restoration of E. rugosidens
Restored E. rugosidens skeleton without back armour
Edmontonia rugosidens skull (original). From the Dinosaur Park Formation, Dinosaur Provincial Park, Alberta. On display at the Royal Tyrrell Museum, Alberta, Canada.
Edmontonia reconstruction in Royal Tyrrell Museum of Palaeontology
Life restoration of two E. rugosidens from 1922, based on the 1915 AMNH specimen
Left side of E. rugosidens specimen AMNH 5665
Close up of the shoulder spikes of AMNH 5665
References
- ↑ Vickaryous M.K; Maryańska T. & Weishampel D.B. 2004. Ankylosauria. In Weishampel D.B; Dodson P. & Osmólska H. (eds) The Dinosauria 2nd ed, University of California Press. pp. 363–392. ISBN 0-520-24209-2
- ↑ "Edmontonia." In: Dodson, Peter et al The Age of Dinosaurs. Publications International. p. 141. ISBN 0-7853-0443-6