USGS Loc. 5192 - Folk's Creek [Shoal River Fm] (Miocene of the United States)

Where: Walton County, Florida (30.7° N, 86.0° W: paleocoordinates 31.0° N, 83.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Shoal River Formation (Alum Bluff Group), Serravallian (13.8 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Shoal River Fm of the Alum Bluff, which lies between the Chipola Fm (Early Miocene) and the Chochtawatchee Fm [Early Pliocene). AGE: Early Miocene (Gardener 1947); Middle Miocene in Vokes (1990) and Portell et al. (2006), although Jones et al. (1993) reports 87Sr/86Sr ratios that yielded average age estimates of 12.4 Ma [=Serravalian]. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-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 43028: authorized by Arnold Miller, entered by Karen Layou on 09.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Yoldiidae
Yoldia frater clam
present
 Pectinida - Anomiidae
Anomia floridiana jingle
present
 Pectinida - Pectinoidae
"Pecten (Chlamys) nicholsi" = Chlamys
"Pecten (Chlamys) nicholsi" = Chlamys scallop
rare; ? in occurrence table
 Arcida - Arcidae
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark
rare; ? in occurrence table
 Carditida - Crassatellidae
"Crassatellites (Scambula) densus" = Crassatella densus
"Crassatellites (Scambula) densus" = Crassatella densus Dall 1900 clam
rare
 Cardiida - Solecurtidae
 Cardiida - Tellinidae
Tellina (Moerella) piesa Gardner 1947 tellin clam
rare
 Cardiida - Veneridae
Dosinia (Dosinidia) dalli Gardner 1947 venus clam
rare
"Chione (Lirophora) trimeris" = Lirophora (Lirophora) trimeris Gardner 1947 venus clam
rare; ? in occurrence table
"Clementia grayi" = Clementia (Egesta) grayi Dall 1900 venus clam
rare; ? in occurrence table
Callocardia (Agriopoma) prosayana venus clam
rare; ? in occurrence table
 Cardiida - Ungulinidae
Diplodonta leptodoma clam
present