CB1 Dan River: Carnian, Virginia/North Carolina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
Glandulozamites sp.
|
||||||||||
|
Equisetopsida
- Araucariaceae
|
||||||||||
|
Pagiophyllum spp.
|
||||||||||
|
Pagiophyllum sp.
Heer 1881
|
||||||||||
| cf. Brachyphyllum conites Bock | ||||||||||
|
Cycadopsida
- Cycadales
- Cycadaceae
|
||||||||||
|
cf. Zamiostrobus lissocardus
|
||||||||||
|
Ginkgoopsida
- Caytoniales
- Caytoniaceae
|
||||||||||
|
cf. Sagenopteris sp.
Presl 1838
|
||||||||||
|
Bennettitales
|
||||||||||
|
Pterophyllum sp.
Brongniart 1828
|
||||||||||
| cf. Ctenophyllum giganteum | ||||||||||
|
Zamites powellii
|
||||||||||
|
Coniferales
- Compsostrobaceae
|
||||||||||
|
cf. Compsostrobus neotericus
Delevoryas and Hope 1973
|
||||||||||
|
Coniferales
|
||||||||||
|
Glyptolepis cf. platysperma
|
||||||||||
|
cf. Dechellyia sp.
Ash 1972
|
||||||||||
|
Coniferales
- Podocarpaceae
|
||||||||||
|
Podozamites sp.
Braun 1843
|
||||||||||
|
Lycopodiopsida
- Lycopodiales
|
||||||||||
|
cf. Grammaephloios sp.
Harris 1935
|
||||||||||
|
unclassified
|
||||||||||
|
Lonchopteris virginiensis
Fontaine 1883
|
||||||||||
|
Polypodiopsida
- Osmundaceae
|
||||||||||
|
cf. Acrostichites linnaeafolius
|
||||||||||
|
Polypodiopsida
- Gleicheniales
- Dipteridaceae
|
||||||||||
|
Dictyophyllum sp.
Lindley and Hutton 1834
|
||||||||||
|
Polypodiopsida
- Equisetales
- Calamitaceae
|
||||||||||
|
Neocalamites cf. knowltonii
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia/North Carolina |
| Coordinates: | 36.5° North, 80.5° West (view map) | ||
| Paleocoordinates: | 1.5° North, 18.4° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Carnian | 10 m.y. bin: | Triassic 3 |
| *Period: | Late/Upper Triassic | ||
| Key time interval: | Carnian | ||
| Age range of interval: | 237.00000 - 227.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Dan River | Formation: | Cow Branch | Member: | upper |
| Local section: | CB-1 | ||||
| Regional section: | Dan River Basin | ||||
| Stratigraphy comments: Cow Branch is surrounded in space and time by fliviatile, mud-flat, and deltaic deposites of the Stoneville and Pine Hall formations. | |||||
Lithology and environment
| Primary lithology: | black,gray "siliciclastic" | ||
| Includes fossils? | Y | ||
| Lithology description: assymetrical sedimentary cycles | |||
| Environment: | lacustrine indet. | Tectonic setting: | rift |
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | selective quarrying,surface (in situ),mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 24383 | ||
| Authorizer: | A. Rees | Enterer: | D. Sunderlin |
| Modifier: | D. Sunderlin | Research group: | paleobotany |
| Created: | 2002-08-06 10:18:41 | Last modified: | 2002-08-06 13:18:42 |
| Access level: | group members | Released: | 2002-08-06 10:18:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6882. | PGAP | P. E. Olsen, C. L. Remington, B. Cornet and K. S. Thomson. 1978. Cyclic change in Late Triassic lacustrine communities. Science 201:729-733 [A. Rees/D. Sunderlin/D. Sunderlin] |