YPM Loc. A-913 [Fort Thompson Fm] (Pleistocene of the United States)

Where: Hendry County, Florida (26.8° N, 81.4° W: paleocoordinates 26.8° N, 81.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: From Fort Thompson Fm. AGE: Assigned to Late Pleistocene (A. Hendy, 2007). STRATIGRAPHIC POSITION: Unknown position within formation. According to collection notes, in addition to belonging to Fort Thompson Fm, the collection is from the "2rd interglacial". Possibly not Fort Thompson but undifferentiated Pleistocene (Late Pleistocene?)

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, shelly/skeletal siliciclastic sediments

• ENVIRONMENT: Shallow-marine, siliciclastic environment.
• SPECIFIC LITHOLOGY: Siliciclastic, shelly. LITHIFICATION: Poorly-lithified, based on observation of specimens.

Size class: macrofossils

Preservation: original aragonite, original calcite

Reposited in the YPM

Collection methods: bulk, sieve,


Primary reference: A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 69040: authorized by Austin Hendy, entered by Austin Hendy on 15.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• TAXONOMY: Identified by A. Hendy; nomenclature based on revision of DuBar (1962) [PBDB Ref# 11119] and Portell et al. (1992) [PBDB Ref# 17634].
 Neotaenioglossa - Calyptraeidae
Bostrycapulus aculeatus Gmelin 1791 slipper shell
Crepidula fornicata Linnaeus 1758 slipper shell
 Cerithioidea - Cerithiidae
Cerithium (Thericium) muscarum Say 1832 cerith snail
 Cerithioidea - Turritellidae
Turritella apicalis turret shell
Turritella sp. Lamarck 1799 turret shell
 Neogastropoda - Fasciolariidae
Latirus sp. Monfort 1810 snail
 Neogastropoda - Cancellariidae
Cancellaria reticulata Emmon 1858 snail
 Neogastropoda - Mitridae
Mitridae indet. Swainson 1831 mitre shell
 Pectinida - Anomiidae
Anomia simplex d'Orbigny 1845 jingle
 Pectinida - Pectinoidae
Carolinapecten eboreus Conrad 1833 scallop
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Arcida - Noetiidae
Arcopsis adamsi Dall 1886 clam
 Arcida - Glycymerididae
Tucetona arata Conrad 1841 clam
 Arcida - Arcidae
Anadara trapezia Deshayes 1839 ark
 Carditida - Carditidae
Carditamera floridana Conrad 1838 clam
Pleuromeris tridentata Say 1826 clam
 Solenida - Pharidae
Ensis directus Conrad 1844 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Transennella stimpsoni Dall 1902 venus clam
Chione cancellata Linnaeus 1767 venus clam
"Anomalocardia auberiana" = Anomalocardia cuneimeris Conrad 1846 venus clam
Gemma gemma Totten 1834 venus clam
 Cardiida - Cardiidae
"Laevicardium laevigatum" = Laevicardium serratum, "Trachycardium muricatum" = Trachycardium (Dallocardia) muricatum
"Laevicardium laevigatum" = Laevicardium serratum Linnaeus 1758 cockle
"Trachycardium muricatum" = Trachycardium (Dallocardia) muricatum Linnaeus 1758 cockle
 Cardiida - Tellinidae
Angulus sp., "Eurytellina sp." = Tellina (Eurytellina)
Angulus sp. Megerle 1811 tellin clam
"Eurytellina sp." = Tellina (Eurytellina) Fischer 1887 tellin clam
 Pholadida - Teredinidae
Teredinidae indet. Rafinesque 1815 clam