Coosawhatchie Formation (FL) fauna (Miocene to of the United States)

Also known as Coosawhatchie Formation fauna

Where: Florida (29.8° N, 82.4° W: paleocoordinates 30.0° N, 79.5° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Coosawhatchie Formation (Hawthorn Group), Aquitanian to Aquitanian (23.0 - 5.3 Ma)

• Data a composite of Coosawhatchie Formation localities in Florida

• formation-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, argillaceous sandstone and poorly lithified, silty, sandy claystone

• Lithologic data not specified for Coosawhatchie Formation.
• From another source: varies from a light gray to olive gray, poorly consolidated, variably clayey and phosphatic sand with few fossils, to an olive gray, poorly to moderately consolidated, slightly sandy, silty clay with few to no fossils. Occasionally the sands will contain a dolomitic component and, rarely, the dominant lithology will be dolostone or limestone.

Size class: macrofossils

Collection methods: Compilation of known taxa from Coosawhatchie Formation in Florida State. Comprises range on unspecified collecting techniques.

Primary reference: C. W. Oyen and R. W. Portell. 2001. Diversity patterns and biostratigraphy of Cenozoic echinodems from Florida. Palaeogeography, Palaeoclimatology, Palaeoecology 166:193-218 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 35022: authorized by Austin Hendy, entered by Austin Hendy on 25.10.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Complete checklist of echinoid taxa for Coosawhatchie Formation of Florida.
Asteroidea
 Paxillosida - Astropectinidae
Astropectinidae indet. Gray 1840 sea star
Echinoidea
 Clypeasteroida - Scutellidae
"Abertella aberti" = Scutella aberti
"Abertella aberti" = Scutella aberti Conrad 1842 sand dollar