Where: Alachua County, Florida (29.6° N, 82.1° W: paleocoordinates 29.9° N, 78.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Hawthorn Group, Early/Lower Miocene (23.0 - 16.0 Ma)
• formation-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 42438: authorized by Arnold Miller, entered by Karen Layou on 29.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
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