Where: Mississippi (32.0° N, 88.8° W: paleocoordinates 33.3° N, 77.5° W)
• coordinate stated in text
• hand sample-level geographic resolution
When: Jackson Group, Eocene (56.0 - 33.9 Ma)
• Blue clay from water's edge
• group-level stratigraphic resolution
Environment/lithology: marginal marine; lithology not reported
Size class: microfossils
Collected by R B Grigsby
Collection methods: sieve
Primary reference: H. V. Howe and J. Chambers. 1935. Louisiana Jackson Eocene Ostracoda. Geological Bulletin 5 [M. Fernandes Martins/M. Fernandes Martins/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 192002: authorized by Maria Joao Fernandes Martins, entered by Maria Joao Fernandes Martins on 27.02.2018, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Ostracoda | |
Bythocypris ? gibsonensis Howe and Chambers 1935 ostracod | |
Paracypris franquesi Howe and Chambers 1935 ostracod | |
Cytheridea montgomeryensis Howe and Chambers 1935 ostracod | |
Loxoconcha jacksonensis Howe and Chambers 1935 ostracod | |
Eocytheropteron spurgeonae Howe and Chambers 1935 ostracod
Cytheropteron montgomeryensis Howe and Chambers 1935 ostracod | |
Buntonia shubutaensis n. sp., Cythereis ? jacksonensis, Cythereis montgomeryensis, Cythereis florienensis, Cythereis yazooensis, Cythereis hysonensis, Brachycythere watervalleyensis
Buntonia shubutaensis n. sp. Howe and Chambers 1935 ostracod
Cythereis ? jacksonensis Howe and Chambers 1935 ostracod
Cythereis montgomeryensis Howe and Chambers 1935 ostracod
Cythereis florienensis Howe and Chambers 1935 ostracod
Cythereis yazooensis Howe and Chambers 1935 ostracod
Cythereis hysonensis Howe and Chambers 1935 ostracod
Brachycythere watervalleyensis Howe and Chambers 1935 ostracod | |
Xestoleberis sarsi Howe and Chambers 1935 ostracod | |
"Cythereis ? israelskyi" = Pyricythereis israelskyi
| |
Cytherelloidea danvillensis Howe 1934 ostracod | |
Echinoidea | |
Periarchus protuberans n. sp.
Periarchus protuberans n. sp. Clark and Twitchell 1915 sand dollar |