Crystal River Rock Co. Quarry - Bed 9 (Suwannee Lmst) (Oligocene of the United States)

Where: Citrus County, Florida (28.9° N, 82.6° W: paleocoordinates 28.9° N, 76.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Suwannee Limestone Formation (Vicksburg Group), Early/Lower Oligocene (33.9 - 28.4 Ma)

• STRATIGRAPHIC SOUCE: Individual bed (9) within measured section. STRATIGRAPHIC RELATIONS: Suwannee Lmst was erected by Cpple amd Mansfield (1936) for exposures of hard limestone in local region. AGE: Early Oligocene (Rupelian). SPECIFIC STRATIGRAPHY: 1.65 ft thick limestone in upper portion of 131 ft section, 2 ft above unconformity and underlying Crystal River Fm.

• bed-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

• GENERAL ENVIRONMENT: Environment not specified, but carbonate facies.
• SPECIFIC LITHOLOGY: Light gray, dense, thin-bedded, hard, lithographic limestone with rare molds.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: quarrying,

• SOURCE: Based on field collecting. REPOSITORIES: Unknown repository for molluscs, echinoids and foraminifera, presumably Florida Geological Survey.

Primary reference: H. S. Puri and R.O. Vernon. 1964. Summary of the geology of Florida and a guidebook to the classic exposures. Florida Geological Survey Special Publication 5 [A. Miller/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 61119: authorized by Austin Hendy, entered by Austin Hendy on 29.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• SOURCE: Vernon (1951) for all taxa. COVERAGE: Probably limited for all groups due to poor preservation. NOMENCLATURE: Slightly antiquated for molluscs and echinoids.
Show authors, comments, and common names
Gastropoda
 Cerithioidea - Turritellidae
Turritella sp.
Turritella sp. Lamarck 1799 turret shell