F.G.S. Well 13, unit 4 [Fort Thompson Fm]: Late/Upper Pleistocene, Florida

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula fornicata (Linnaeus 1758)
Gastropoda - Cerithiidae
Cerithium muscarum Say 1832
Gastropoda - Neogastropoda - Olividae
Olivella mutica (Say 1822)
Gastropoda - Neogastropoda - Nassariidae
Nassarius sp. Duméril 1806
Nassarius vibex (Say 1822)
Gastropoda - Neogastropoda - Columbellidae
Columbella rusticoides Heilprin 1887
Gastropoda - Neogastropoda - Marginellidae
Marginella apicina Menke 1828
recombined as Prunum apicinum
Gastropoda - Amnicolidae
"Fontigens" sp. Pilsbry 1935
Gastropoda - Heterostropha - Pyramidellidae
"Turbonilla" sp. Risso 1826
Gastropoda - Heterostropha - Planorbidae
Helisoma scalare
Gastropoda - Opisthobranchia - Cylichnidae
Acteocina canaliculata (Say 1826)
Bivalvia - Pectinida - Pectinidae
Chlamys sp. Röding 1798
Bivalvia - Mytilida - Mytilidae
Brachidontes sp. Swainson 1840
Bivalvia - Lucinida - Lucinidae
Phacoides waccamawensis Dall 1903
recombined as Bellucina waccamawensis
Phacoides multilineatus (Conrad 1841)
recombined as Parvilucina multistriata
Phacoides anodonta (Say 1824)
recombined as Stewartia anodonta
Bivalvia - Cardiida - Veneridae
Transenella cf. conradina (Dall 1884)
recombined as Transennella conradina
Pitar sayana (Conrad 1833)
synonym of Pitar morrhuanus
Macrocallista nimbosa (Solander 1786)
recombined as Macrocallista (Macrocallista) nimbosa
Gemma triquetra
Anomalocardia caloosana
Chione cancellata (Linnaeus 1767)
Bivalvia - Cardiida - Mactridae
Mulinia cf. caloosaensis
Bivalvia - Cardiida - Cardiidae
Trachycardium sp. Mörch 1853
Laevicardium mortoni (Conrad 1831)
Bivalvia - Cardiida - Tellinidae
Tellina sp. Linnaeus 1758
Bivalvia - Carditida - Carditidae
Cardita floridana (Conrad 1838)
original and current combination Carditamera floridana
Scaphopoda - Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758
see common names

Geography
Country:United States State/province:Florida County:Glades
Coordinates: 27.0° North, 81.2° West (view map)
Paleocoordinates:27.0° North, 81.2° West
Geographic resolution:outcrop
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pleistocene
Age range of interval:0.12600 - 0.01170 m.y. ago
Stratigraphy
Formation:Fort Thompson
Local section:F.G.S. Well 13 Local bed:58 m
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Fort Thompson Fm, which is in this section overlain by the Pamlico Fm (Late Pleistocene) and overlies the Caloosahatchee Fm (Early Pleistocene). AGE: Assigned to Late Pleistocene (A. Hendy, 2007). STRATIGRAPHIC POSITION: From Unit 4, a 25 ft thick shell marl.
Lithology and environment
Primary lithology:medium,shelly/skeletal,gray unlithified sandy marl
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Shell marl, sandy quartz grains medium, subangular to rounded; loosely consolidated, dark gray, fossils well preserved and abundant. LITHIFICATION: Unlithified, based on facies description.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow marine, siliciclastic.
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils
Preservation of anatomical detail:good
Abundance in sediment:abundant
Collection methods and comments
Collection methods:core,field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: COLLECTOR: Florida Geological Survey, 1954. REPOSITORY: Not stated, but presumably the Florida Geological Survey.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Reasonably modern nomenclature with species resolution assignments.
Metadata
Database number:80001
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:L. Eccles Research group:GCP,marine invertebrate
Created:2008-03-31 22:52:45 Last modified:2013-11-25 13:37:23
Access level:the public Released:2008-03-31 22:52:45
Creative Commons license:CC BY
Reference information

Primary reference:

25514. 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]