Fort Thompson Formation, Charlotte County, southwest FL (Pleistocene of the United States)

Where: Charlotte County, Florida (26.9° N, 82.0° W: paleocoordinates 26.9° N, 81.7° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Fort Thompson Formation, Late/Upper Pleistocene (0.1 - 0.0 Ma)

• COMMENTS: The Fort Thompson Formation is given the stage age Bradyan. AGE: Assigned to Pleistocene in text, reassigned to Late Pleistocene by A. Hendy (2007).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; unlithified, fine-grained, medium, gray, yellow sandstone and sandy, calcareous marl

• Shell Creek: seemingly unfossiliferous yellow, pale orange to tan or gray, fine to medium, subangular to subrounded fairly well sorted unconsolidated quartz sands; Alligator Creek: unfossiliferous limestone and sandy, calcareous marl with abundant mollusk shells

Size class: macrofossils

Collection methods: bulk,

Primary reference: J. R. DuBar. 1962. Neogene Biostratigraphy of the Charlotte Harbor Area in Southwestern Florida. Florida Geological Survey Geological Bulletin 43 1-83 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 41715: authorized by Arnold Miller, entered by Karen Layou on 20.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• This list is a composite of collections made in the Fort Thompson Formation in the study area.
Show authors, comments, and common names
unclassified
  -
Pyrigiscus spp.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium ceratum
Bivalvia
 Arcida - Noetiidae
"Noetia ponderosa" = Eontia ponderosa
"Noetia ponderosa" = Eontia ponderosa Say 1822 clam
 Arcida - Arcidae
"Anadara lienosa" = Anadara (Rasia) lienosa, "Anadara transversa" = Anadara (Larkinia) transversa
"Anadara lienosa" = Anadara (Rasia) lienosa Say 1832 ark
"Anadara transversa" = Anadara (Larkinia) transversa Say 1822 ark
 Pectinida - Pectinoidae
"Chlamys fuscopurpureus" = Lindapecten muscosus, "Chlamys irradians" = Argopecten irradians
"Chlamys fuscopurpureus" = Lindapecten muscosus Wood 1828 scallop
"Chlamys irradians" = Argopecten irradians Lamarck 1819 calico scallop
 Pectinida - Plicatulidae
"Plicatula marginata" = Plicatula gibbosa
"Plicatula marginata" = Plicatula gibbosa Lamarck 1801 scallop
 Carditida - Carditidae
"Cardita arata" = Carditamera arata
"Cardita arata" = Carditamera arata Conrad 1832 clam
 Lucinida - Lucinidae
"Phacoides nassula" = Lucinisca nassula, "Phacoides multilineatus" = Parvilucina multistriata
"Phacoides nassula" = Lucinisca nassula Conrad 1846 clam
P. nassula caloosana
"Phacoides multilineatus" = Parvilucina multistriata Conrad 1841 clam
 Cardiida - Cardiidae
Trigoniocardia willcoxi, "Laevicardium laevigatum" = Laevicardium serratum
"Laevicardium laevigatum" = Laevicardium serratum Linnaeus 1758 cockle
L. laevigatum wagnerianum
 Cardiida - Semelidae
Ervilia polita
 Cardiida - Veneridae
Chione cancellata
Chione cancellata Linnaeus 1767 venus clam
 Cardiida - Mactridae
Mulinia lateralis
Mulinia lateralis Say 1822 clam
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam
Gastropoda
 Opisthobranchia - Bullidae
Bulla striata
Bulla striata Bruguiére 1792 snail
 Opisthobranchia - Cylichnidae
"Retusa canaliculata" = Acteocina canaliculata
"Retusa canaliculata" = Acteocina canaliculata Say 1826 barrel-bubble
 Heterostropha - Pyramidellidae
Chrysallida macneili, "Longchaeus cf. marionae" = Pyramidella suturalis, Turbonilla spp., "Turbonilla cf. admeta" = Turbonilla hemphilli, "Mormula sp." = Turbonilla (Mormula)
"Longchaeus cf. marionae" = Pyramidella suturalis Lea 1843 snail
Turbonilla spp. Risso 1826 snail
"Turbonilla cf. admeta" = Turbonilla hemphilli Bush 1899 snail
"Mormula sp." = Turbonilla (Mormula) Adams 1864 snail
 Sorbeoconcha - Naticidae
Tectonatica pusilla, "Polinices duplicatus" = Neverita duplicatus
Tectonatica pusilla Say 1822 moon snail
"Polinices duplicatus" = Neverita duplicatus Say 1822 moon snail
 Neogastropoda - Columbellidae
"Anachis gardnerae" = Mitrella gardnerae
"Anachis gardnerae" = Mitrella gardnerae Olsson and Harbison 1953 snail
 Neogastropoda - Melongenidae
Busycon sp.
Busycon sp. Röding 1798 whelk
 Neogastropoda - Olividae
Olivella mutica
Olivella mutica Say 1822 olive snail
 Neogastropoda - Conidae
"Conus floridanus" = Conus anabathrum
"Conus floridanus" = Conus anabathrum Crosse 1865 cone shell
 Neogastropoda - Terebridae
"Terebra dislocata" = Strioterebrum dislocatum
"Terebra dislocata" = Strioterebrum dislocatum Say 1822 auger snail
 Neogastropoda - Marginellidae
Marginella pardalis, "Marginella apicina" = Prunum apicinum
Marginella pardalis margin shell
"Marginella apicina" = Prunum apicinum Menke 1828 margin shell
 Sorbeoconcha - Cerithiopsidae
"Seila adamsi" = Seila adamsii
"Seila adamsi" = Seila adamsii Lea 1845 snail
 Neotaenioglossa - Calyptraeidae
Crepidula maculosa
Crepidula maculosa Conrad 1846 slipper shell
Thecostraca
 Balanomorpha - Balanidae
Balanus sp.
Balanus sp. Da Costa 1778 barnacle