F.G.S. Well 14, unit 2 [Caloosahatchee Fm] (Pleistocene of the United States)

Where: Glades County, Florida (27.0° N, 81.2° W: paleocoordinates 27.0° N, 80.8° W)

• outcrop-level geographic resolution

When: Caloosahatchee Formation, Early/Lower Pleistocene (2.6 - 0.8 Ma)

• STRATIGRAPHIC RELATIONS: From the Caloosahatchee Fm, which is in this section overlain by the Fort Thompson Fm (Late Pleistocene). AGE: Assigned to Early Pleistocene (A. Hendy, 2007). STRATIGRAPHIC POSITION: From Unit 2, a 20 ft thick sandy marl.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, shelly/skeletal, brown, yellow, sandy, calcareous marl

• ENVIRONMENT: Shallow marine, siliciclastic.
• SPECIFIC LITHOLOGY: Marl, sandy, calcareous, poorly consolidated, quartz grains subangular to rounded, yellow-brown. LITHIFICATION: Poorly-lithified, based on facies description.

Size class: macrofossils

Collection methods: core,

• COLLECTOR: Florida Geological Survey, 1954. REPOSITORY: Not stated, but presumably the Florida Geological Survey.

Primary reference: J. R. DuBar. 1958. Stratigraphy and paleontology of the Late Neogene strata of the Caloosahatchee River area of southern Florida. Florida Geological Survey Bulletin 40:1-267 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 80358: authorized by Austin Hendy, entered by Austin Hendy on 13.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Reasonably modern nomenclature with species resolution assignments.
Gastropoda
 Trochoidea - Trochidae
Calliostoma sp. Swainson 1840 top snail
 Neotaenioglossa - Calyptraeidae
Crepidula fornicata Linnaeus 1758 slipper shell
 Cerithioidea - Turritellidae
"Turritella perattenuata" = Turritella (Bactrospira) perattenuata
"Turritella perattenuata" = Turritella (Bactrospira) perattenuata Heilprin 1886 turret shell
 Neogastropoda - Conidae
"Conus stearnsii" = Conus jaspideus
"Conus stearnsii" = Conus jaspideus Gmelin 1791 cone shell
 Neogastropoda - Cystiscidae
Persicula ovula Conrad 1848 snail
 Sorbeoconcha - Naticidae
Natica sp. Scopoli 1777 moon snail
 Sorbeoconcha - Amnicolidae
"Fontigens" sp. Pilsbry 1935 snail
 Heterostropha - Planorbidae
 Opisthobranchia - Cylichnidae
Acteocina canaliculata Say 1826 barrel-bubble
Bivalvia
 Lucinida - Lucinidae
"Phacoides multilineatus" = Parvilucina multistriata
"Phacoides multilineatus" = Parvilucina multistriata Conrad 1841 clam
 Cardiida - Veneridae
"Chione grus" = Timoclea grus Holmes 1858 venus clam
Chione cancellata Linnaeus 1767 venus clam
 Cardiida - Mactridae
"Rangia nasuta" = Rangia cuneata
"Rangia nasuta" = Rangia cuneata Sowerby 1831 clam
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam