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J. Micropalaeontol., 37, 347-356, 2018
https://doi.org/10.5194/jm-37-347-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
23 Mar 2018
Larger foraminifera of the Devil's Den and Blue Hole sinkholes, Florida
Laura J. Cotton1,2, Wolfgang Eder3, and James Floyd1,a 1Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, USA
2Florida Museum of Natural History,1659 Museum Road, P.O. Box 117800, University of Florida, Gainesville, FL 32611, USA
3University of Vienna, Department of Palaeontology, Althanstrasse 14, 1090 Vienna, Austria
apresent address: 7 Sandalwood Drive, Houston, TX 77024, USA
Abstract. Shallow-water carbonate deposits are well-known from the Eocene of the US Gulf Coast and Caribbean. These deposits frequently contain abundant larger benthic foraminifera (LBF). However, whilst integrated stratigraphic studies have helped to refine the timing of LBF overturning events within the Tethys and Indo-Pacific regions with respect to global bio- and chemo-stratigraphic records, little recent work has been carried out in the Americas. The American LBF assemblages are distinctly different from those of Europe and the Indo-Pacific. It is therefore essential that the American bio-province is included in studies of LBF evolution, biodiversity and climate events to understand these processes on a global scale.
Here we present the LBF ranges from two previously unpublished sections spanning 35 and 29 m of the upper Eocene Ocala limestone, as the early stages of a larger project addressing the taxonomy and biostratigraphy of the LBF of Florida. The study indicates that the lower member of the Ocala limestone may be Bartonian rather than Priabonian in age, with implications for the biostratigraphy of the region. In addition, the study highlights the need for multiple sites to assess the LBF assemblages and fully constrain ranges across Florida and the US Gulf and suggests potential LBF events for future integrated stratigraphic study.

Citation: Cotton, L. J., Eder, W., and Floyd, J.: Larger foraminifera of the Devil's Den and Blue Hole sinkholes, Florida, J. Micropalaeontol., 37, 347-356, https://doi.org/10.5194/jm-37-347-2018, 2018.
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Short summary
Shallow-water carbonate deposits rich in larger benthic foraminifera (LBF) are well-known from the Eocene of the Americas. However, there have been few recent LBF studies in this region. Here we present the LBF ranges from two previously unpublished sections from the Ocala limestone, Florida. The study indicates that the lower member of the Ocala limestone may be Bartonian rather than Priabonian in age, with implications for regional biostratigraphy.
Shallow-water carbonate deposits rich in larger benthic foraminifera (LBF) are well-known from...
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