Well 26a 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

•5 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 75015: authorized by Arnold Miller, entered by Kate Bulinski on 13.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Carditidae
"Cardita (Carditamera) arata" = Carditamera arata
"Cardita (Carditamera) arata" = Carditamera arata Conrad 1832 clam
 Cardiida - Mactridae
Mulinia sp. Gray 1837 clam
juvenile
 Cardiida - Veneridae
Chione sp. von Mühlfield 1811 venus clam
 Cardiida - Cardiidae
Cardium sp. Linnaeus 1758 cockle
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
 Protobranchia - Nuculanidae
Nuculana acuta Conrad 1832 pointed nut clam
Gastropoda
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
 Sorbeoconcha - Turritellidae
Turritella cookei turret shell
subspecies gladeensis