Offshore zone -5, Trenton Quadrangle, US Highway 11 (Ordovician of the United States)
Where: Dade County, Georgia (34.9° N, 85.5° W: paleocoordinates 29.1° S, 66.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Caradoc (458.4 - 449.5 Ma)
• no information given
Environment/lithology: offshore; gray limestone
• Thin to massive beds of gray, bluish-gray, and dark gray limestone; fine- to coarse-grained , sometimes with argillaceous partings. Thin shale partings and dark gray to black calcilutite partings may also be present.
Size class: macrofossils
Primary reference: A. T. Allen and J. G. Lester. 1957. Zonation of the Middle and Upper Ordovician strata in northwestern Georgia. Georgia State Division of Conservation, the Geological Survey Bulletin 66:1-104 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 32879: authorized by Steven Holland, entered by Tori Hanson on 16.07.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Rhodophyceae | |
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Tetradium | |
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Anthozoa | |
Favosites sp. Lamarck 1816 tabulate coral | |
Stromatoporoidea | |
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Strophomenata | |
Strophomena sp. Rafinesque and De Blainville 1824 | |
Rhynchonellata | |
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Pionodema sp. Foerste 1912 | |
"Zygospira recurvirostris" = Anazyga recurvirostra
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Stenolaemata | |
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Trilobita | |
Isotelus sp. Dekay 1824 trilobite | |
Ostracoda | |
Leperditia sp. Rouault 1851 ostracod |