Cow Branch Formation

The Cow Branch Formation is a Late Triassic (Carnian to Norian, or Tuvalian in the regional stratigraphy) geologic formation in the eastern United States.[1] Indeterminate fossil ornithischian tracks have been reported from the formation.[2]

Cow Branch Formation
Stratigraphic range: Carnian-Norian (Tuvalian)
~
Cow Branch Formation (Upper Triassic; near Eden, North Carolina)
TypeGeological formation
Unit ofDan River Group
Location
Coordinates36.4°N 80.0°W / 36.4; -80.0
Approximate paleocoordinates5.5°N 20.4°W / 5.5; -20.4
RegionVirginia
Country United States
Cow Branch Formation (the United States)
Cow Branch Formation (North Carolina)
Outcrop of the Cow Branch Formation, quarry near Eden, North Carölina
Fossils in black shales of the Cow Branch Formation
Fossil fish spine in black shale of the Cow Branch Formation, North Carolina
Vertebrate tooth in nonmarine black shale, Cow Branch Formation, North Carolina

Fossil content

The following fossils have been reported from the formation:[1]

Reptiles
Fish
Ichnofossils
Arachnids
  • Argyrarachne solitus[3]
Insects
Flora

See also

References
  1. Cow Branch Formation at Fossilworks.org
  2. Weishampel et al., 2004, pp.517-607
  3. Selden et al., 1999
  4. Fang et al., 2018
  5. Kelly et al., 2017
  6. Huber et al., 2003
  7. Criscione & Grimaldi, 2017

Bibliography
  • Fang, Y.; A. D. Muscente; S. W. Heads; B. Wang, and S. H. Xiao. 2018. The earliest Elcanidae (Insecta, Orthoptera) from the Upper Triassic of North America. Journal of Paleontology 92. 1028–1034.
  • Criscione, J., and D. Grimaldi. 2017. The oldest predaceous water bugs (Insecta, Heteroptera, Belostomatidae), with implications for paleolimnology of the Triassic Cow Branch Formation. Journal of Paleontology 91. 1166–1177.
  • Kelly, R. S.; A. J. Ross, and P. Davidson. 2017. Mesozoic Holcoptera (Coleoptera: Coptoclavidae) from England and the United States. Proceedings of the Geologists' Association 128. 659–674.
  • Blagoderov, V. A.; D. A. Grimaldi, and N. C. Fraser. 2007. How time flies for flies: diverse Diptera from the Triassic of Virginia and early radiation of the order. American Museum Novitates 3572. 1–39.
  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
  • Huber, P.. 2003. Early Jurassic insects from the Newark Supergroup, northeastern United States. In P. M. LeTourneau, P. E. Olsen (eds.). The Great Rift Valleys of Pangea in Eastern North America 2: Sedimentology, Stratigraphy, and Paleontology. 206–223.
  • Selden, P. A.; J. M. Anderson; H. M. Anderson, and N. C. Fraser. 1999. Fossil araneomorph spiders from the Triassic of South Africa and Virginia. The Journal of Arachnology 27. 401–414.
  • Olsen, P. E. 1979. A new aquatic eosuchian from the Newark Supergroup (Late Triassic–Early Jurassic) of North Carolina and Virginia. Postilla 176. 1–14.
  • Olsen, P. E.; C. L. Remington; B. Cornet, and K. S. Thomson. 1978. Cyclic change in Late Triassic lacustrine communities. Science 201. 729–733.
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