Tuesday, 3 December 2013

Scutellosaurus lawleri

This small armored dinosaur from the Early Jurassic of Arizona was a basal thyreophorean, a group that includes the stegosaurs and ankylosaurs. It had an extremely long tail and a body covered with tiny scutes. At least two specimens are known.

Scutellosaurus lawleri
Colbert, 1981
Meaning of generic name
"Small-shield lizard".
Body length: 1.2 m, Skull length: ?
Holotype (MNA P1.175): partial skeleton

[Referred specimen not mentioned but at least one implied according to text above]
Age and Distribution
Horizon: Kayenta Formation. Early Jurassic (Hettangian)

Locality: Rock head, Navajo nation, Arizona, US.
Dinosauria Ornithischia Thyreophorea
Further Reading
E. H. Colbert. 1981. A primitive ornithischian dinosaur from the Kayenta Formation of Arizona. Museum of Northern Arizona Bulletin 53:1-61
Image by Nobu Tamura (click to enlarge)
Scutellosaurus lawleri:

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