Where: Walton County, Florida (30.6° N, 86.2° W)
• Paleocoordinates: 31.2° N, 85.0° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Jackson Bluff Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)
• LITHOSTRATIGRAPHY: From the Choctawhatchee, which overlies the Shoal River Fm (Middle Miocene) as originally entered; placed here in Jackson Bluff Fm. AGE: Late Miocene, on the basis of macrofossil and microfossils biostratigraphy as originally entered; placed here in Late Pliocene. STRATIGRAPHIC RELATIONS: From either the Arca or Ecphora (more likely) zones of the Choctawhatchee Fm (upper part); Smith designated these the Permenter's Farm beds, which comprise 25 ft of fossiliferous gray marl.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; unlithified, gray marl
Size class: macrofossils
Preservation: original aragonite
Collected by Smith
Collection methods: surface (in situ),
• COLLECTOR: R.H. Smith, c. 1940. REPOSITORY: Probably Florida Geological Survey.
Primary reference: R. H. Smith. 1941. Micropaleontology and stratigraphy of a deep well at Niceville, Okaloosa County, Florida. Bulletin of the American Association of Petroleum Geologists 25(2):263-286 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 94809: authorized by Austin Hendy, entered by Austin Hendy on 24.03.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Crucibulum auriculum" = Crucibulum (Crucibulum) auricula
"Crucibulum auriculum" = Crucibulum (Crucibulum) auricula Gmelin 1791 slipper shell | |
| |
Bivalvia | |
"Crassatellites (Scambula) alaquensis" = Scambula
"Crassatellites (Scambula) alaquensis" = Scambula clam | |
"Corbula (Corbula) waltonensis" = Varicorbula disparilis, Corbula (Caryocorbula) nucleata, "Corbula (Caryocorbula) barrattiana" = Caryocorbula caribaea
"Corbula (Corbula) waltonensis" = Varicorbula disparilis d'Orbigny 1853 clam SUBSPECIES: C. (C.) waltonensis rubisiana
"Corbula (Caryocorbula) barrattiana" = Caryocorbula caribaea d'Orbigny 1845 clam SUBSPECIES: C. (C.) barrattiana leonensis
| |
"Echinochama arcinella" = Arcinella arcinella
"Echinochama arcinella" = Arcinella arcinella Linnaeus 1767 jewel box | |
"Venus campechiensis" = Mercenaria campechiensis
"Venus campechiensis" = Mercenaria campechiensis Gmelin 1791 quahog SUBSPECIES: V. campechiensis alaquaensis
| |
Diplodonta (Sphaerella) subvexa Conrad 1838 clam | |
"Panope goldfussi" = Panopea
"Panope goldfussi" = Panopea clam | |
"Phacoides (Parvilucina) crenulatus" = Parvilucina crenulata, "Phacoides (Parvilucina) multilineatus" = Parvilucina multistriata, "Phacoides (Lucinoma) contractus" = Lucinoma, "Phacoides (Lucinisca) cribrarius" = Lucinisca cribrarius
"Phacoides (Parvilucina) crenulatus" = Parvilucina crenulata Conrad 1840 clam
"Phacoides (Parvilucina) multilineatus" = Parvilucina multistriata Conrad 1841 clam
"Phacoides (Lucinoma) contractus" = Lucinoma clam
"Phacoides (Lucinisca) cribrarius" = Lucinisca cribrarius Say 1824 clam | |
Ostrea disparilis oyster | |
"Chlamys (Plagioctenium) choctawhatcheensis" = Argopecten
"Chlamys (Plagioctenium) choctawhatcheensis" = Argopecten calico scallop | |
"Arca (Anadara) idonea" = Dallarca idonea, "Arca (Anadara) aresta" = Anadara
"Arca (Anadara) aresta" = Anadara ark | |
"Leda polychoa" = Nuculana
| |
Scaphopoda | |
Dentalium attenuatum Say 1824 tusk shell | |
Cadulus blountense tusk shell |