Vandever Shale and Rockcastle Sandstone-Northwest Georgia (Carboniferous to of the United States)

Where: Georgia (34.9° N, 85.4° W: paleocoordinates 12.0° S, 24.8° W)

• coordinate based on nearby landmark

When: Vandever Shale & Rockcastle Sandstone Formation (Lee Group), Pennsylvanian to Pennsylvanian (323.2 - 298.9 Ma)

Environment/lithology: shale and sandstone

• Vandever Shale- 170 feet thick composed of thin fissle green and brown shales with a few brown sandstone and siltstone beds.

•Rockcastle Sandstone- thin, cross-bedded, medium-grained and well-sorted sandstone, interbedded with shales and coal seams. Shales carry prolific flora.

Preservation: cast, adpression

Collection methods: salvage, surface (float),

Primary reference: A. T. Allen and J. G. Lester. 1954. Contributions to the Paleontology of Northwest Georgia. Georgia Geological Survey Bulletin 62:1-166 [R. Gastaldo/J. Allen/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 11994: authorized by Robert Gastaldo, entered by Jonathan Allen on 24.09.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

 Radiatopses - Medullosaceae
  - Neuropteridae
"Neuropteris biformis" = Neuralethopteris biformis, "Neuropteris pocahontas" = Neuralethopteris pocahontas
"Neuropteris biformis" = Neuralethopteris biformis Lesquereux 1880
"Neuropteris pocahontas" = Neuralethopteris pocahontas White 1900
 Equisetales - Equisetidae
Annularia sp. Sternberg 1821
Calamites sp. Suckow 1784
 Filicinae -
Pecopteris ? elliptica, Pecopteris sp., "Alethopteris sp." = Pecopteris (Alethopteris), "Alethopteris lonchitica" = Pecopteris (Alethopteris), "Alethopteris cf. lonchitica" = Pecopteris (Alethopteris)
Pecopteris sp. Brongniart 1822
"Alethopteris sp." = Pecopteris (Alethopteris) Sternberg 1825
"Alethopteris lonchitica" = Pecopteris (Alethopteris)
"Alethopteris cf. lonchitica" = Pecopteris (Alethopteris)
  - Sphenopteridae
Macrostachya sp. Schimper 1869
 Lepidodendrales - Lepidodendraceae
  - Sigillariaceae
 Callistophytales -
 Cordaitanthales -