Where: Liberty County, Florida (30.4° N, 85.0° W: paleocoordinates 30.8° N, 81.3° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chipola Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)
• STRATIGRAPHIC POSITION: Lower bed. AGE: Direct date from 87Sr/86Sr isotope dating of fossils from elsewhere in Chipola Fm [=Burdigalian age].
• group of beds-level stratigraphic resolution
Environment/lithology: marine; unlithified, calcareous marl and unlithified, calcareous sandstone
Size class: macrofossils
Reposited in the USGS
Primary reference: J. R. Gardner. 1947. The Molluscan Fauna of the Alum Bluff Group of Florida. United States Geological Survey Professional Paper (142A-H)1-709 [A. Miller/K. Layou/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 42272: authorized by Arnold Miller, entered by Karen Layou on 27.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
Corbula sarda, "Corbula chipolana" = Varicorbula chipolana
Corbula sarda clam
"Corbula chipolana" = Varicorbula chipolana Gardner 1928 clam | |
|
Pseudochama chipolana jewel box | |
|
Erycina scaptera clam | |
Strigilla paraflexuosa, "Tellina chipolana" = Tellina (Tellinella) chipolana, "Metis chipolana" = Florimetis chipolana
Strigilla paraflexuosa Gardner 1947 tellin clam
"Tellina chipolana" = Tellina (Tellinella) chipolana Dall 1900 tellin clam
"Metis chipolana" = Florimetis chipolana Dall 1900 tellin clam | |
|
Ervilia chipolana Dall 1898 clam | |
"Cardium aliculum" = Trigoniocardia (Trigoniocardia) aliculum, "Cardium simrothi" = Trigoniocardia (Apiocardia) simrothi, "Cardium parile" = Nemocardium parile, "Cardium burnsii" = Americardia burnsii, "Cardium chipolanum" = Cerastoderma chipolanum
"Cardium aliculum" = Trigoniocardia (Trigoniocardia) aliculum Dall 1900 cockle
"Cardium simrothi" = Trigoniocardia (Apiocardia) simrothi Dall 1900 cockle
"Cardium parile" = Nemocardium parile Deshayes 1858 cockle
"Cardium burnsii" = Americardia burnsii Dall 1900 cockle
"Cardium chipolanum" = Cerastoderma chipolanum Dall 1900 cockle | |
"Phacoides trisulcatus" = Cavilinga trisulcata, Codakia chipolana, "Divaricella chipolana" = Divaricella (Divaricella) chipolana, "Phacoides glenni" = Here glenni, Phacoides sphaeriolus
"Phacoides trisulcatus" = Cavilinga trisulcata Conrad 1841 clam
Codakia chipolana clam
"Divaricella chipolana" = Divaricella (Divaricella) chipolana Dall 1903 clam
"Phacoides glenni" = Here glenni Dall 1903 clam | |
|
Cardita apotegea clam
Venericardia tellia Dall 1903 clam | |
|
Crenella minuscula clam | |
|
Arca mikkula ark
Arca staminata ark | |