Oldman Formation
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The Oldman Formation is the middle member of the Judith River Group, a major geologic unit in southern Alberta. The formation is widely recognized as bearing a great number of well preserved dinosaur skeletons, as well as other fossils.
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[edit] Age
The Oldman Formation was deposited during the middle Campanian.
[edit] Relationship to other units
The formation is bounded by the Foremost Formation below and the Dinosaur Park Formation above. It lies fully within Chron 33n.
[edit] Paleontology
List of Dinosaurs (not including Aves) found in the formation:[1]
Theropoda (Currie, 2005)
- Coelurosauria incertae sedis
- Family unknown
- Tyrannosauroidea
- Ornithomimosauria
- Ornithomimidae
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- Dromiceiomimus brevitertius (may be synonymous with Ornithomimus edmontonicus)
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- Caenagnathidae
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- Elmisaurus elegans (may be species of Chirostenotes)
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- Ornithomimidae
Ornithischia (Ryan and Evans, 2005)
- Ankylosauria
- Ceratopsia
- Ceratopsidae
- Centrosaurinae
- Chasmosaurinae
- Chasmosaurus brevirostris (probably synonymous with C. belli or C. russelli)
- Ceratopsidae
- Ornithopoda
[edit] See also
- List of fossil sites (with link directory)
[edit] References
- ^ Weishampel, D.B., Barrett, P.M., Coria, R.A., Le Loueff, J., Xu X., Zhao X., Sahni, A., Gomani, E.M.P., & Noto, C.N. 2004. Dinosaur distribution. In: Weishampel, D.B., Dodson, P., & Osmólska, H. (Eds.). The Dinosauria (2nd Edition). Berkeley: University of California Press. Pp. 517-606.
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- D.A. Eberth. 1996. Origin and significance of mud-filled incised valleys (Upper Cretaceous) in southern Alberta, Canada. Sedimentology 43:459–477
