Offshore zone +2, Durham Quadrangle, Cooper Heights Cemetery (Ordovician of the United States)
Where: Walker County, Georgia (34.8° N, 85.4° W: paleocoordinates 29.2° S, 66.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Caradoc (458.4 - 449.5 Ma)
Environment/lithology: offshore; gray limestone and brown limestone
• gray to blue-gray, finely to coarsely crystalline limestone grading up into gray to dark gray calcilutite and brown argillaceous limestone
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 32583: authorized by Steven Holland, entered by Tori Hanson on 09.07.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Ostracoda | |
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Leperditia sp. Rouault 1851 ostracod | |
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Isochilina sp. Jones 1858 ostracod | |
| Rhynchonellata | |
Rhynchotrema sp., "Rhynchotrema argenturbiem" = Hypsiptycha argenturbicum
Rhynchotrema sp. Hall 1860 | |
| Stenolaemata | |
"Callopora multitabulata" = Hallopora
| |
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| Gastropoda | |
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Lophospira sp. Whitfield 1886 snail | |
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Hormotoma sp. Salter 1859 snail | |
| Demospongiae | |
|
Chaetetes sp. Fischer von Waldheim 1829 demosponge | |
| Florideophyceae | |
"Tetradium fibratum" = Prismostylus fibratum
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