Well 13b Hendry County (Pliocene of the United States)

Where: Hendry County, Florida (26.7° N, 80.9° W: paleocoordinates 26.8° N, 80.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Tamiami Formation, Pliocene (5.3 - 2.6 Ma)

• Determined from cores from test wells drilled by US Corps of Engineers in 1950

•10 ft below sea level

•Age determination revised in more recent papers (see Lithostratigraphy, Petrography,

•Biostratigraphy, and Strontium-Isotope

•Stratigraphy of the Surficial Aquifer System

•of Western Collier County, Florida, Edwards et al., 1998, USGS Open-File Report 98-205)

• formation-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal, silty, sandy marl

• Changes laterally from shelly marl to soft silty limestone to the silty sand and clayey marl

Size class: mesofossils

Collection methods: core

• observed from cores

Primary reference: M. C. Schroeder and H. Klein. 1954. Geology of the Western Everglades Area, Southern Florida. United States Geological Survey Circular 314 [A. Miller/K. Bulinski/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 75012: authorized by Arnold Miller, entered by Kate Bulinski on 13.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Bivalvia
 Arcida - Arcidae
"Cunearca sp." = Anadara (Cunearca) Dall 1898 ark
 Pectinida - Pectinoidae
"Pecten cf. eboreus" = Carolinapecten eboreus
"Pecten cf. eboreus" = Carolinapecten eboreus Conrad 1833 scallop
 Ostreida - Ostreidae
 Mytilida - Mytilidae
Mytilus sp. Linnaeus 1758 mussel
 Cardiida - Mactridae
Mulinia congesta Conrad 1833 clam
 Cardiida - Veneridae
Chione cancellata Linnaeus 1767 venus clam
Dosinia sp. Scopoli 1777 venus clam
 Protobranchia - Nuculanidae
Nuculana trochilia pointed nut clam
Nuculana acuta Conrad 1832 pointed nut clam
Gastropoda
 Neogastropoda - Olividae
Olivella sp. Swainson 1831 olive snail
 Neogastropoda - Buccinidae
 Neogastropoda - Cancellariidae
"Cancellaria aff. venusta" = Massyla venusta
"Cancellaria aff. venusta" = Massyla venusta Tuomey and Holmes 1857 snail
like specimens from Duplin marl at Natural Well N.C.
 Neogastropoda - Marginellidae
"Marginella limatula" = Prunum limatulum, Marginella denticulata
"Marginella limatula" = Prunum limatulum Conrad 1834 margin shell
Marginella denticulata Conrad 1830 margin shell
 Neogastropoda - Drilliidae
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Naticoidea - Naticidae
"Neverita cf. duplicata" = Neverita duplicatus
"Neverita cf. duplicata" = Neverita duplicatus Say 1822 moon snail
 Sorbeoconcha - Turritellidae
"Turritella variabilis" = Turritella (Torcula) variabilis Conrad 1830 turret shell
Turritella sp. Lamarck 1799 turret shell
juvenile