Gateway to the Paleobiology Database
Thomas Farm (Miocene of the United States)

Where: Gilchrist County, Florida (29.7° N, 82.6° W: paleocoordinates 30.0° N, 78.9° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Alachua Formation, Hemingfordian (20.4 - 16.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; calcareous sandstone and blue claystone

• fossils are from multiple horizons including a "joint clay"; a "layer of clayballs"; a "lime sand"; a bed of limestone "boulders" with "gravel and lime sand" matrix; and a "laminated bluish clay"; most of the material is from the "lime sand"

Size classes: macrofossils, mesofossils

Collected by C. Simpson, T. Barbour. P. Brodkorb in (Simpson), 1938 - 1942 (MCZ), 1959 (Brodkorb); reposited in the FLMNH, MCZ

Collection methods: bulk, quarrying, sieve,

Primary reference: T. E. White. 1942. The Lower Miocene mammal fauna of Florida. Bulletin of the Museum of Comparative Zoology 92(1):1-49 [J. Alroy/J. Alroy/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18597: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by John Hunter, Jason Head, Matthew Carrano, Brian Beatty and Richard Hulbert

Creative Commons license: CC BY (attribution)