Cow Branch Formation
Cow Branch Formation Stratigraphic range: Carnian-Norian (Tuvalian) ~ | |
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![]() Cow Branch Formation (Upper Triassic; near Eden, North Carolina) | |
Type | Geological formation |
Unit of | Dan River Group |
Location | |
Coordinates | 36°24′N 80°00′W / 36.4°N 80.0°WCoordinates: 36°24′N 80°00′W / 36.4°N 80.0°W |
Approximate paleocoordinates | 5°30′N 20°24′W / 5.5°N 20.4°W |
Region | Virginia |
Country | ![]() |
![]() ![]() Cow Branch Formation (the United States) |
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Cow_Branch_Formation_%28Upper_Triassic%3B_Pit_B_of_Solite_Quarry%2C_near_Eden%2C_North_Carolina%2C_USA%29_17.jpg/300px-Cow_Branch_Formation_%28Upper_Triassic%3B_Pit_B_of_Solite_Quarry%2C_near_Eden%2C_North_Carolina%2C_USA%29_17.jpg)
Outcrop of the Cow Branch Formation, quarry near Eden, North Carölina
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Conchostracans_in_nonmarine_black_shale_%28Cow_Branch_Formation%2C_Upper_Triassic%3B_Route_220_roadcut_north_of_the_Dan_River%2C_Rockingham_County%2C_North_Carolina%2C_USA%29_3.jpg/220px-thumbnail.jpg)
Fossils in black shales of the Cow Branch Formation
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Fish_spine_in_nonmarine_black_shale_%28Cow_Branch_Formation%2C_Upper_Triassic%3B_Route_220_roadcut_north_of_the_Dan_River%2C_Rockingham_County%2C_North_Carolina%2C_USA%29_2.jpg/220px-thumbnail.jpg)
Fossil fish spine in black shale of the Cow Branch Formation, North Carolina
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Vertebrate_tooth_in_nonmarine_black_shale_%28Cow_Branch_Formation%2C_Upper_Triassic%3B_Route_220_roadcut_north_of_the_Dan_River%2C_Rockingham_County%2C_North_Carolina%2C_USA%29_3.jpg/220px-thumbnail.jpg)
Vertebrate tooth in nonmarine black shale, Cow Branch Formation, North Carolina
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]
Fossil content[]
The following fossils have been reported from the formation:[1]
- Reptiles
- Fish
- Diplurus cf. newarki
- Semionotus sp.
- Turseodus sp.
- Ichnofossils
- Anchisauripus milfordensis
- Arachnids
- Insects
- [4]
- [5]
- [6]
- [7]
- Archescytinidae indet.
- Blattodea indet.
- Diptera indet.
- Naucoridae indet.
- Orthoptera indet.
- Thysanoptera indet.
- Tipulomorpha indet.
- Flora
See also[]
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Wikimedia Commons has media related to Category:Cow Branch Formation. |
- List of dinosaur-bearing rock formations
- List of stratigraphic units with ornithischian tracks
- Indeterminate ornithischian tracks
- List of stratigraphic units with ornithischian tracks
References[]
- ^ a b Cow Branch Formation at Fossilworks.org
- ^ Weishampel et al., 2004, pp.517-607
- ^ Selden et al., 1999
- ^ Fang et al., 2018
- ^ Kelly et al., 2017
- ^ Huber et al., 2003
- ^ Criscione & Grimaldi, 2017
Bibliography[]
- Journal of Paleontology 92. 1028–1034. ; ; ; , and . 2018. The earliest Elcanidae (Insecta, Orthoptera) from the Upper Triassic of North America.
- Journal of Paleontology 91. 1166–1177. , and . 2017. The oldest predaceous water bugs (Insecta, Heteroptera, Belostomatidae), with implications for paleolimnology of the Triassic Cow Branch Formation.
- Proceedings of the Geologists' Association 128. 659–674. ; , and . 2017. Mesozoic Holcoptera (Coleoptera: Coptoclavidae) from England and the United States.
- American Museum Novitates 3572. 1–39. ; , and . 2007. How time flies for flies: diverse Diptera from the Triassic of Virginia and early radiation of the order.
- The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2 ; , and . 2004.
- . 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.
- The Journal of Arachnology 27. 401–414. ; ; , and . 1999. Fossil araneomorph spiders from the Triassic of South Africa and Virginia.
- Postilla 176. 1–14. . 1979. A new aquatic eosuchian from the Newark Supergroup (Late Triassic–Early Jurassic) of North Carolina and Virginia.
- Science 201. 729–733. ; ; , and . 1978. Cyclic change in Late Triassic lacustrine communities.
Categories:
- Geologic formations of North Carolina
- Geologic formations of Virginia
- Triassic System of North America
- Triassic geology of North Carolina
- Triassic geology of Virginia
- Carnian Stage
- Norian Stage
- Shale formations of the United States
- Siltstone formations
- Lacustrine deposits
- Ichnofossiliferous formations
- Paleontology in North Carolina
- Paleontology in Virginia