Where: Ouachita County, Louisiana (32.5° N, 92.1° W: paleocoordinates 33.5° N, 83.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)
• formation-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 98787: authorized by Jocelyn Sessa, entered by Laurie Eccles on 20.10.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Dentalium "sp. D" Linnaeus 1758 tusk shell | |
Cadulus "sp. A" Philippi 1844 tusk shell
Cadulus (Cadulus) ouachitensis tusk shell | |
Gastropoda | |
Acteon idoneus Conrad 1833 snail | |
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"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum, Architectonica (Granosolarium) meekana
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial Architectonica (Granosolarium) meekana splendida
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Solariorbis "sp. A" Conrad 1865 snail | |
Retusa (Cylichnina) galba Conrad 1833 snail
cf. Rhizorus wellsi snail | |
Abderospira stewarti Palmer 1937 snail | |
Mnestia dekayi snail | |
Aciculiscala jacobi Palmer 1937 wentletrap
Epitonium (Elegantiscala) kingae wentletrap
Acirsa (Hemiacirsa) whitneyi Palmer 1937 wentletrap | |
Polinices aratus moon snail
Natica "spp. A" Scopoli 1777 moon snail | |
"Ectinochilus texanum" = Rimella
"Ectinochilus texanum" = Rimella true conch | |
Conomitra texana ribbed mitre
Pyramimitra terebraeformis Conrad 1848 ribbed mitre | |
Trigonostoma babylonicum Lea 1833 snail
Trigonostoma panones snail including Trigonostoma panones smithvillense and Trigonostoma panones juniperum
Sveltella parva snail
Sveltella parva snail | |
Buccitriton sagenum Conrad 1833 true whelk | |
Mitrella (Clinurella) casteri, "Mitrella (Columbellopsis) mississippiensis" = Columbellopsis
"Mitrella (Columbellopsis) mississippiensis" = Columbellopsis snail | |
Lirofusus thoracicus, Clavilithes penrosei, Clavilithes regexus, Clavilithes texanus, Falsifusus bastropensis
Lirofusus thoracicus snail
Clavilithes penrosei snail
Clavilithes regexus snail
Clavilithes texanus snail
Falsifusus bastropensis snail | |
Levifusus "sp. G" Conrad 1865 snail | |
Lapparia mooreana volute | |
Hexaplex (Hexaplex) silvaticus Palmer 1937 murex snail | |
Volvaria reticulata Johnson 1899 mitre shell | |
Michela trabeatoides Harris 1895 turrid | |
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell | |
Galeodea planotecta, "Phalium brevicostatum" = Cassis brevicostatus
Galeodea planotecta Meyer and Aldrich 1886 snail
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail | |
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell | |
"Turritella rina" = Haustator rina
"Turritella rina" = Haustator rina turret shell | |
Niso "sp. D" Risso 1826 snail | |
Cephalopoda | |
Belosaepia uncinata Palmer 1937 | |
Bivalvia | |
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