Biostratigraphic charts for many eras.
PDI Neogene Biostrat Chart of the Gulf Basin US
Updated February 2017 (pdf/graphic version)
PDI Paleogene Biostrat Chart of the Gulf Basin US
Updated March 2017 (pdf/graphic version)
PDI Mesozoic Biostrat Chart of the Gulf Basin US
Updated May 2019 (pdf/graphic version)
PDI Complete Biostrat Chart of the Gulf Basin US
Includes Neogene, Paleogene and Mesozoic - Updated January 2018
(xlsx version)
Paleobathymetric Zonation for Gulf Of Mexico Benthic Foraminifera
