Opisthias
| Opisthias Temporal range:
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| Genus: | †Opisthias
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Opisthias is a Late Jurassic genus of sphenodont reptile from the Morrison Formation of western North America,[2] present in stratigraphic zones 2 and 4–6.[3], An indeterminate species is also known from the Lulworth Formation of the UK.
Distribution
Opisthias was from the United States (Colorado, Utah, and Wyoming).[1], as well as in southern England.
See also
References
- ^ a b "Archived copy". Archived from the original on 2010-03-06. Retrieved 2010-03-03.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ Foster, J. (2007). "Table 2.1: Fossil Vertebrates of the Morrison Formation." Jurassic West: The Dinosaurs of the Morrison Formation and Their World. Indiana University Press. pp. 58-59.
- ^ Foster, J. (2007). "Appendix." Jurassic West: The Dinosaurs of the Morrison Formation and Their World. Indiana University Press. pp. 327-329.
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