Where: Grant County, Louisiana (31.7° N, 92.9° W: paleocoordinates 32.7° N, 84.1° 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, burrowed, 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 91115: authorized by Jocelyn Sessa, entered by Laurie Eccles on 05.09.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Abderospira oviformis Meyer 1886 snail | |
Acteon annectens Meyer 1885 snail | |
Architectonica (Granosolarium) ornata, Architectonica (Granosolarium) meekana, "Architectonica (Solariaxis) acuta" = Architectonica acuta
Architectonica (Granosolarium) ornata Harris and Palmer 1947 sundial Architectonica (Granosolarium) ornata jacksonia
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial Architectonica (Granosolarium) meekana subsplendida
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial | |
Mesalia vetusta, Turritella creola, "Turritella arenicola" = Kapalmerella arenicola, "Turritella alveata" = Kapalmerella alveata
Mesalia vetusta Conrad 1833 turret shell
Turritella creola Harris and Palmer 1947 turret shell
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell | |
Polinices weisbordi moon snail
Sinum jacksonense moon snail | |
Ficus merita Harris and Palmer 1947 fig shell | |
"Distorsio (Personella) jacksonensis" = Distorsio jacksonensis
"Distorsio (Personella) jacksonensis" = Distorsio jacksonensis Meyer 1885 snail | |
"Phalium brevicostatum" = Cassis brevicostatus, Phalium taitii
| |
"Tritiaria magnocostata" = Nassarius (Tritiaria)
"Tritiaria magnocostata" = Nassarius (Tritiaria) snail | |
Levifusus branneri snail
Levifusus "sp. D" Conrad 1865 snail
Levifusus fulguriparens Maury 1909 snail | |
Metula johnsoni Vaughan 1896 true whelk
Siphonalia sullivani Harris and Palmer 1947 true whelk
"Tritiaria albirupina" = Phos albirupina Harris 1894 true whelk | |
Lapparia dumosa Conrad 1854 volute
Caricella howei Harris and Palmer 1947 volute | |
Vasum humerosum snail | |
"Terebra" abditiva Harris and Palmer 1947 auger snail | |
Eucheilodon crenocarinata, Eopleurotoma carya, Infracoronia ludoviciana, Coronia weisbordi, Pleuroliria jacksonella, Pleurofusia subservata, Pleurofusia danvicola, Scobinella famelica, Scobinella louisianae, Scobinella newtonensis, Scobinella transitionalis
Eucheilodon crenocarinata turrid
Coronia weisbordi Harris 1937 turrid
Pleuroliria jacksonella Casey 1904 turrid
Pleurofusia subservata Harris and Palmer 1947 turrid
Scobinella louisianae Harris 1937 turrid
Scobinella transitionalis Harris 1937 turrid | |
Glyptotoma crassiplicata, "Conus tortilis" = Conus sauridens
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell | |
Cordiera ludoviciana Vaughn 1896 snail | |
Eoclathurella obesula snail | |
Bonellitia jacksonica Cooke 1926 snail
Trigonostoma selectum Harris and Palmer 1947 snail | |
Xenophora reclusa carrier shell | |
Cypraedia fenestralis Conrad 1854 snail | |
Sulcocypraea healeyi Aldrich 1923 snail
Sphaerocypraea jacksonensis Johnson 1899 snail | |
Calyptraphorus stamineus snail | |
| |
Scaphopoda | |
Fustiaria (Laevidentalium) danai, "Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum, Dentalium (Antalis) mississippiense
Fustiaria (Laevidentalium) danai Meyer 1885 tusk shell
"Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum Gabb 1850 tusk shell
Dentalium (Antalis) mississippiense Conrad 1848 tusk shell Dentalium (Antalis) mississippiense jacksonense
| |
Bivalvia | |
Hilgardia multilineata, "Yoldia (? Orthoyoldia) "sp. C"" = Orthoyoldia
Hilgardia multilineata Conrad 1854 pointed nut clam
"Yoldia (? Orthoyoldia) "sp. C"" = Orthoyoldia Verrill 1897 pointed nut clam | |
Barbatia (Cucullaearca) cuculloides Conrad 1833 clam | |
Glycymeris (Glycymeris) filosa Conrad 1854 clam | |
| |
Ostrea falco oyster | |
Chlamys nupera Conrad 1854 scallop | |
Lirodiscus (Lirodiscus) jacksonensis Meyer 1885 clam | |
Venericardia (Venericor) "sp. F" Stewart 1930 clam
Venericardia (Rotundicardia) diversidentata Meyer 1885 clam Venericardia (Rotundicardia) diversidentata "var."
| |
Bathytormus flexurus Conrad 1854 clam | |
Corbula (Caryocorbula) densata Conrad 1854 clam | |
Teredo mississippiensis Conrad 1854 clam | |
| |
Chama sp. Linnaeus 1758 jewel box | |
Pitar (Katherinella) trigoniata venus clam | |
Tellina (Eurytellina) linifera tellin clam | |