USGS Loc. 10609 - The Woodyard, lower bed [Chipola Fm] (Miocene of the United States)

Where: Washington County, Florida (30.6° N, 85.8° W: paleocoordinates 31.0° N, 82.2° 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

• 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 42222: authorized by Arnold Miller, entered by Karen Layou on 26.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Lepetellida - Fissurellidae
Diodora chipolana Dall 1892 snail
rare
 Trochoidea - Phasianellidae
Tricolia affinis snail
rare; T. affinis chipolana
 Sorbeoconcha - Tornidae
"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum
"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum Dall 1892 snail
rare
 Sorbeoconcha - Vitrinellidae
 Sorbeoconcha - Vermetidae
Petaloconchus sculpturatus Lea 1846 worm shell
present
 Sorbeoconcha - Naticidae
"Natica (Naticarius) precursor" = Naticarius precursor, "Natica (? Tectonatica) platabasis" = Tectonatica, "Natica (Tectonatica) semen" = Tectonatica, "? Polinices (Neverita) chipolanus" = Neverita chipolanus
"Natica (Naticarius) precursor" = Naticarius precursor Gardner 1947 moon snail
rare
"Natica (? Tectonatica) platabasis" = Tectonatica moon snail
rare
"Natica (Tectonatica) semen" = Tectonatica moon snail
present
"? Polinices (Neverita) chipolanus" = Neverita chipolanus Dall 1892 moon snail
rare
 Cerithioidea - Turritellidae
Turritella subgrundifera Dall 1892 turret shell
present
Bivalvia
 Nuculanida - Nuculanidae
"Leda proteracuta" = Nuculana, "Leda leptalea" = Nuculana
"Leda proteracuta" = Nuculana pointed nut clam
present; L. proteracuta, L. proteracuta dystakta (present), L. proteracuta leita (present)
"Leda leptalea" = Nuculana pointed nut clam
present
 Nuculanida - Yoldiidae
Yoldia frater clam
common
 Nuculida - Nuculidae
Nucula chipolana nut clam
present
 Pholadida - Corbulidae
"Corbula (Caryocorbula) whitfieldi" = Cuneocorbula whitfieldi, "Corbula chipolana" = Varicorbula chipolana, "Corbula (Bothrocorbula) synarmostes" = Bothrocorbula synarmostes
"Corbula (Caryocorbula) whitfieldi" = Cuneocorbula whitfieldi Brown 1905 clam
rare; C. (Caryocorbula) whitfieldi boyntoni
"Corbula chipolana" = Varicorbula chipolana Gardner 1928 clam
present
"Corbula (Bothrocorbula) synarmostes" = Bothrocorbula synarmostes Dall 1898 clam
rare
 Cardiida - Chamidae
Pseudochama chipolana jewel box
rare
 Cardiida - Semelidae
Semele stearnsii clam
rare
Semele (Semelina) sellardsi clam
rare; ? in occurrence table
Ervilia chipolana Dall 1898 clam
present
 Cardiida - Tellinidae
Tellina (Moerella) cloneta Dall 1900 tellin clam
rare
 Cardiida - Cardiidae
"Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum
"Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum Dall 1900 cockle
rare; also C. (Cerastoderma) chipolanum alumen (rare)
 Lucinida - Lucinidae
Phacoides (Lucinisca) calhounensis Dall 1903 clam
present
Phacoides (Bellucina) nereididetus clam
rare; ? in occurrence table
"Phacoides (Parvilucina) sphaeriolus" = Parvilucina clam
common; also P. (Parvilucina) sphaeriolus angaleus (present)
 Carditida - Carditidae
Venericardia (Pleuromeris) tellia Dall 1903 clam
present; also V. (Pleuromeris) tellia dasa (rare)
 Carditida - Crassatellidae
Crassatellites (Crassinella) triangulatus, "Crassatellites (Scambula) chipolanus" = Kalolophus chipolanus
"Crassatellites (Scambula) chipolanus" = Kalolophus chipolanus Dall 1903 clam
rare
 Arcida - Glycymerididae
"Glycymeris subovata" = Costaglycymeris subovata
"Glycymeris subovata" = Costaglycymeris subovata Say 1824 clam
present
 Arcida - Arcidae
"Arca (Diluvarca) latidentata" = Anadara (Diluvarca), "Arca (Diluvarca) hypomela" = Anadara (Diluvarca), "Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana, Arca paratina
"Arca (Diluvarca) latidentata" = Anadara (Diluvarca) ark
rare
"Arca (Diluvarca) hypomela" = Anadara (Diluvarca) ark
present
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark
common; A. (Diluvarca) santarosana geraetera
Arca paratina Dall 1898 ark
abundant
 Pectinida - Pectinoidae
Pecten burnsii, "Pecten (Chlamys) acanikos" = Lindapecten acanikos
Pecten burnsii scallop
rare
"Pecten (Chlamys) acanikos" = Lindapecten acanikos Gardner 1926 scallop
present
 Ostreida - Gryphaeidae
"Ostrea haitensis" = Hyotissa haitensis
"Ostrea haitensis" = Hyotissa haitensis Sowerby 1850 oyster
common
Scaphopoda
 Dentaliida - Dentaliidae
"Dentalium (Antalis) chipolanum" = Antalis, Dentalium (Laevidentalium) santarosanum
"Dentalium (Antalis) chipolanum" = Antalis tusk shell
rare
 Dentaliida - Gadilinidae
"Dentalium (Episiphon) schumoi" = Episiphon
"Dentalium (Episiphon) schumoi" = Episiphon tusk shell
rare
 Gadilida - Gadilidae
"Cadulus (Polyschides) lobion" = Polyschides
"Cadulus (Polyschides) lobion" = Polyschides tusk shell
rare