Cow Branch Formation
| Cow Branch Formation | |
|---|---|
| Stratigraphic range: Carnian-Norian (Tuvalian) ~ | |
| Type | Geological formation |
| Unit of | Dan River Group |
| Location | |
| Coordinates | 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 |  United States |
  Cow Branch Formation (the United States)  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
- Ichnofossils
- Arachnids
- Insects
- Alinka cara
- Architipula youngi
- Brachyrhyphus distortus
- Cascadelcana virginiana[4]
- Crosaphis virginiensis
- Holcoptera solitensis[5]
- Leehermania prorova
- Metarchilimonia krzeminskorum
- M. solita
- Mormolucoides articulatus[6]
- Phyloblatta grimaldii
- Prosechamyia dimedia
- P. trimedia
- Pseudopolycentropodes virginicus
- Triassonepa solensis[7]
- Triassopsychoda olseni
- Triassothrips virginicus
- Veriplecia rugosa
- Virginiptera certa
- V. lativentra
- V. similis
- Yalea argentata
- Y. rectimedia
- Archescytinidae indet.
- Blattodea indet.
- Diptera indet.
- Naucoridae indet.
- Orthoptera indet.
- Phoroschizidae indet.
- Thysanoptera indet.
- Tipulomorpha indet.
- Flora
- Lonchopteris virginiensis
- Pagiophyllum diffusum
- P. simpsoniae
- Zamites powellii
- cf. Acrostichites linnaeafolius
- cf. Compsostrobus neotericus
- Glyptolepis cf. platysperma
- Neocalamites cf. knowltonii
- cf. Zamiostrobus lissocardus
- Dictyophyllum sp.
- Glandulozamites sp.
- Lepacyclotes sp.
- Lepidodendron sp.
- Pagiophyllum sp.
- Pelourdea sp.
- Podozamites sp.
- Pterophyllum sp.
- Sphenozamites sp.
- Wingatea sp.
- cf. Dechellyia sp.
- cf. Elatocladus sp.
- cf. Grammaephloios sp.
- cf. Sagenopteris sp.
See also
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
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