USGS Loc. 6776 - Suwannee River [Chipola Fm] (Miocene of the United States)

Where: Columbia County, Florida (30.3° N, 82.8° W: paleocoordinates 30.7° N, 79.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chipola Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)

• AGE: Direct date from 87Sr/86Sr isotope dating of fossils from elsewhere in Chipola Fm [=Burdigalian age].

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified, calcareous marl and unlithified, calcareous sandstone

• marls, sands, clays, for the most part unconsolidated, in places highly calcareous

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 42428: authorized by Arnold Miller, entered by Karen Layou on 29.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Opisthobranchia - Cylichnidae
Acteocina incisula
Acteocina incisula barrel-bubble
rare; ? in occurrence table
Bivalvia
 Carditida - Carditidae
"Venericardia hadra" = Venericardia (Glyptoactis) hadra
"Venericardia hadra" = Venericardia (Glyptoactis) hadra Dall 1903 clam
rare; ? in occurrence table
 Cardiida - Veneridae
Chione sp., Callocardia (Agriopoma) albofonte n. sp.
Chione sp. von Mühlfield 1811 venus clam
common
Callocardia (Agriopoma) albofonte n. sp. venus clam
abundant
 Cardiida - Cardiidae
"Cardium (Trachycardium) parile" = Nemocardium parile
"Cardium (Trachycardium) parile" = Nemocardium parile Deshayes 1858 cockle
rare; ? in occurrence table
 Ostreida - Ostreidae
Ostrea normalis
Ostrea normalis Gardner 1926 oyster
rare
 Pectinida - Anomiidae
Anomia suwaneensis
Anomia suwaneensis jingle
rare
 Pectinida - Pectinoidae
"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, "Pecten (Chlamys) acanikos" = Lindapecten acanikos
"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus Dall 1898 scallop
rare; ? in occurrence table
"Pecten (Chlamys) acanikos" = Lindapecten acanikos Gardner 1926 scallop
common