USGS Loc. 9994 - J.P. McClelland Farm [Chipola Fm] (Miocene of the United States)

Where: Calhoun County, Florida (30.4° N, 85.2° W: paleocoordinates 30.8° N, 81.5° 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 42365: authorized by Arnold Miller, entered by Karen Layou on 28.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
"Pecten (Chlamys) condylomatus" = Lyropecten condylomatus
"Pecten (Chlamys) condylomatus" = Lyropecten condylomatus Dall 1898 scallop
present
 Pectinida - Plicatulidae
Plicatula densata Conrad 1843 scallop
present
 Ostreida - Ostreidae
"Ostrea rugifera" = Cubitostrea rugifera
"Ostrea rugifera" = Cubitostrea rugifera Dall 1898 oyster
present
 Ostreida - Gryphaeidae
"Ostrea haitensis" = Hyotissa haitensis
"Ostrea haitensis" = Hyotissa haitensis Sowerby 1850 oyster
rare
 Arcida - Noetiidae
"Arca (Barbatia) adamsi" = Arcopsis adamsi
"Arca (Barbatia) adamsi" = Arcopsis adamsi Dall 1886 clam
rare
 Arcida - Arcidae
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark
present; A. (D.) santarosana geraetera
 Arcida - Glycymerididae
"Glycymeris subovata" = Costaglycymeris subovata
"Glycymeris subovata" = Costaglycymeris subovata Say 1824 clam
rare
 Cardiida - Cardiidae
"Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum, "Cardium (Fragum) simrothi" = Trigoniocardia (Apiocardia) simrothi, "Cardium (Trachycardium) cestum" = Trachycardium (Phlogocardia) cestum
"Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum Dall 1900 cockle
present
"Cardium (Fragum) simrothi" = Trigoniocardia (Apiocardia) simrothi Dall 1900 cockle
common
"Cardium (Trachycardium) cestum" = Trachycardium (Phlogocardia) cestum Dall 1903 cockle
present
 Cardiida - Chamidae
Pseudochama chipolana jewel box
rare; ? in occurrence table
"Chama draconis" = Arcinella draconis Dall 1903 jewel box
present
 Lucinida - Lucinidae
"Lucina janus" = Pegophysema janus
"Lucina janus" = Pegophysema janus Dall 1903 clam
present
 Carditida - Carditidae
"Cardita (Carditamera) apotegea" = Carditamera, "Venericardia hadra" = Venericardia (Glyptoactis) hadra
"Cardita (Carditamera) apotegea" = Carditamera clam
rare
"Venericardia hadra" = Venericardia (Glyptoactis) hadra Dall 1903 clam
common