Where: Twiggs County, Georgia (32.7° N, 83.6° W: paleocoordinates 33.0° N, 74.6° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Clinchfield Sand Member (Moodys Branch Formation), Bartonian (41.3 - 38.0 Ma)
• supposedly "Auversian"; stage assignment based on Baum et al. 1994; Section GTw-2
•Moodys Branch=Bartonian (JAS 14 October 2010)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; unlithified sandstone
Size class: mesofossils
Primary reference: L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13(1):1-602 [M. Patzkowsky/K. Layou/P. Mannion]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 3528: authorized by Mark Patzkowsky, entered by Karen Layou on 04.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
"Schizaster armiger" = Paraster armiger
"Schizaster armiger" = Paraster armiger Clark and Twitchell 1915 heart urchin | |
Periarchus lyelli Conrad 1834 sand dollar | |
Bivalvia | |
Nucula sp. Lamarck 1799 nut clam | |
"Crassostrea gigantissima" = Striostrea gigantissima
"Crassostrea gigantissima" = Striostrea gigantissima Finch 1824 oyster | |
Chlamys nupera Conrad 1854 scallop |