Where: Caldwell County, Louisiana (32.0° N, 92.0° W: paleocoordinates 33.0° N, 83.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Moodys Branch Formation (Jackson Group), Bartonian (41.3 - 38.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: offshore; unlithified, argillaceous, calcareous siltstone
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 92157: authorized by Jocelyn Sessa, entered by Laurie Eccles on 02.11.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Architectonica (Architectonica) bellistriata, "Architectonica (Solariaxis) acuta" = Architectonica acuta
Architectonica (Architectonica) bellistriata Conrad 1854 sundial
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial | |
Capulus americanus Conrad 1854 snail | |
| |
Clavilithes humerosus snail
Dolicholatirus leaensis Harris 1897 snail | |
Caricella howei Harris and Palmer 1947 volute | |
"Turritella alveata" = Kapalmerella alveata
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell | |
Scaphopoda | |
Dentalium (Antalis) mississippiense Conrad 1848 tusk shell Dentalium (Antalis) mississippiense jacksonense
| |
Bivalvia | |
"Pycnodonta vicksburgensis" = Pycnodonte
| |
Venericardia (Venericor) "sp. F" Stewart 1930 clam |