Brooks Sink (Miocene of the United States)
Where: Bradford County, Florida (29.9° N, 82.1° W: paleocoordinates 30.2° N, 78.4° W)
• coordinate based on political unit
When: Marks Head Formation (Hawthorne Group), Late/Upper Hemingfordian (20.4 - 16.0 Ma)
• said to be late Hemingfordian
Environment/lithology: marginal marine; phosphorite
• phosphatic sands, clays, and interbedded dolomites
Size class: macrofossils
Primary reference: G. S. Morgan and A. E. Pratt. 1988. Southeastern Geological Society Guidebook 29 [J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 18512: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
• "over four cheekteeth per kilogram of dry sediment" and sample is based on "more than 300 kg"; this applies to rodents, but most of the large mammals "are known from one or at most several isolated teeth"; based on this an estimated NISP of 1200 seems reasonable
Show authors, comments, and common names
| Mammalia | |
|
| |
|
Dugongidae indet. Gray 1821 dugong | |
|
Mustelidae indet. Fischer 1817 mustelid carnivore | |
|
aff. Phlaocyon sp. Matthew 1899 bone-crushing dog | |
|
Archaeohippus blackbergi Hay 1924 anchitheriine horse
Merychippus cf. gunteri Simpson 1930 horse | |
|
cf. Pomatodelphis sp. Allen 1921 toothed whale | |
|
| |
|
cf. Machaeromeryx sp. Matthew 1926 musk deer | |
|
Talpidae indet. Fischer de Waldheim 1817 mole
aff. Scalopoides sp. Wilson 1960 mole | |
|
| |
|
| |
|
| |
|
aff. Jimomys sp. Wahlert 1976 rodent | |
|
| |
|
| |
|
| |
|
| |