Where: Winn County, Louisiana (31.8° N, 93.0° W: paleocoordinates 32.8° N, 84.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: mesofossils
Primary reference: K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 98940: authorized by Jocelyn Sessa, entered by Laurie Eccles on 24.10.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
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Gastropoda | |
"Aclis" modesta Meyer 1886 aclis | |
"Ptereulima elegans" = Hoplopteron, Niso "sp. D"
"Ptereulima elegans" = Hoplopteron snail
Niso "sp. D" Risso 1826 snail | |
"Turritella carinata" = Haustator carinata, "Turritella rina" = Haustator rina
"Turritella rina" = Haustator rina turret shell | |
Athleta clayi volute | |
Hexaplex (Hexaplex) silvaticus Palmer 1937 murex snail | |
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Pleuroliria crenulosa, Pleuroliria simplex, Lyrosurcula acuta, Lyrosurcula elegans, Lyrosurcula obsoleta, "Coronia nucleata" = Gemmula (Coronia), "Coronia obsolescens" = Gemmula (Coronia), "Coronia parvidens" = Gemmula (Coronia), Surculoma stantoni, Eosurcula sanctimauritii, Eosurcula moorei, Trypanotoma obtusa
Pleuroliria crenulosa turrid
Pleuroliria simplex turrid
Lyrosurcula acuta turrid
Lyrosurcula elegans turrid
Lyrosurcula obsoleta turrid
"Coronia nucleata" = Gemmula (Coronia) turrid
"Coronia obsolescens" = Gemmula (Coronia) turrid
"Coronia parvidens" = Gemmula (Coronia) turrid
Surculoma stantoni turrid
Eosurcula sanctimauritii turrid
Trypanotoma obtusa turrid | |
Microdrillia minutissima snail
Microdrillia robustula snail | |
Tropisurcula crenula snail | |
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell | |
Bivalvia | |
"Yoldia (Orthoyoldia) psammotaea" = Orthoyoldia psammotaea2
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"Verticordia (Trigonulina) satex" = Trigonulina
"Verticordia (Trigonulina) satex" = Trigonulina clam | |
Periploma collardi Harris 1895 clam | |
Pholadomya harrisi clam | |
"Timothynus anterproductus" = Diplodonta (Timothynus)
"Timothynus anterproductus" = Diplodonta (Timothynus) clam | |
"Barbatia (Plagiarca) vaughani" = Plagiarca clam
Barbatia (Plagiarca) rhomboidella Lea 1833 clam | |
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Atrina gravida oyster | |
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Eburneopecten sp. Conrad 1865 scallop
Chlamys wahtubbeana Dall 1898 scallop |