Denver Formation

Denver Formation
Denver Formation
Stratigraphic range:
Late Cretaceous - Paleocene, 65.5–65 Ma
Type Geological formation
Location
Country  USA

The Denver Formation is a geological formation in Colorado whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Contents

Vertebrate paleofauna

Ornithischians

Ornithischians reported from the Denver Formation
Genus Species Location Stratigraphic position Material Notes Images

Cionodon[2]

C. arctatus[2]

"Fragmentary maxilla, vertebrae, fragmentary postcranial elements."[3]

Later found to be indeterminate hadrosaurid remains.[2]

Edmontosaurus[2]

Indeterminate[2]

Pachycephalosaurus[2]

Indeterminate[2]

Polyonax[2]

P. mortuarius[2]

"Horn fragments, vertebrae."[4] (type specimen)

A dubious ceratopsian

Triceratops[2]

T. galeus[2]

"Nasal horn core."[4]

A dubious ceratopsian

Indeterminate[2]

Saurischians

Saurischians of the Denver Formation
Genus Species Location Stratigraphic position Abundance Notes Images

Aublysodon[2]

A. mirandus[2]

Later found to be indeterminate tyrannosauroid remains.[2]

Tyrannosaurus rex

Ornithomimus[2]

O. velox[2]

Tyrannosaurus[2]

T. rex[2]

See also

Footnotes

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  1. ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. ISBN 0-520-24209-2.
  2. ^ a b c d e f g h i j k l m n o p q r s "3.4 Colorado, United States; 6. Denver Formation," in Weishampel, et al. (2004). Page 581.
  3. ^ "Table 20.1," in Weishampel, et al. (2004). Page 442.
  4. ^ a b "Table 23.1," in Weishampel, et al. (2004). Page 496.

References

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.