Well 26b Broward County (Pliocene of the United States)

Where: Broward County, Florida (26.4° N, 80.8° W: paleocoordinates 26.4° N, 80.0° 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

•7 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 75016: authorized by Arnold Miller, entered by Kate Bulinski on 13.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Gastropoda
 Cerithioidea - Cerithiidae
Cerithium sp. Bruguière 1789 cerith snail
juvenile
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
juvenile
 Neogastropoda - Olividae
Oliva sp. Bruguière 1789 olive snail
thick parietal callus
 Neogastropoda - Marginellidae
"Marginella limatula" = Prunum limatulum
"Marginella limatula" = Prunum limatulum Conrad 1834 margin shell
Bivalvia
 Cardiida - Veneridae
Gemma magna Dall 1903 venus clam
"Chione (Lirophora) latilirata" = Lirophora (Lirophora) latilirata Conrad 1841 venus clam
subspecies athleta
Chione (Athleta) sp. von Mühlfield 1811 venus clam
Chione cancellata Linnaeus 1767 venus clam
 Carditida - Carditidae
"Cardita (Carditamera) sp." = Carditamera, "Venericardia (Pteromeris) perplana" = Pteromeris perplana
"Cardita (Carditamera) sp." = Carditamera Conrad 1838 clam
"Venericardia (Pteromeris) perplana" = Pteromeris perplana Dall 1903 clam
 Mytilida - Mytilidae
Mytilus sp. Linnaeus 1758 mussel
 Pectinida - Pectinoidae
"Pecten cf. eboreus" = Carolinapecten eboreus
"Pecten cf. eboreus" = Carolinapecten eboreus Conrad 1833 scallop
 Arcida - Arcidae
Anadara sp. Gray 1847 ark