ammonites
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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, 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)