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 | |
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Sinum jacksonense moon snail
Polinices weisbordi moon snail | |
Calyptraphorus stamineus snail | |
"Distorsio (Personella) jacksonensis" = Distorsio jacksonensis
"Distorsio (Personella) jacksonensis" = Distorsio jacksonensis Meyer 1885 snail | |
"Phalium brevicostatum" = Cassis brevicostatus, Phalium taitii
| |
Cypraedia fenestralis Conrad 1854 snail | |
Sulcocypraea healeyi Aldrich 1923 snail
Sphaerocypraea jacksonensis Johnson 1899 snail | |
Xenophora reclusa carrier shell | |
Ficus merita Harris and Palmer 1947 fig shell | |
Lapparia dumosa Conrad 1854 volute
Caricella howei Harris and Palmer 1947 volute | |
Levifusus branneri snail
Levifusus "sp. D" Conrad 1865 snail
Levifusus fulguriparens Maury 1909 snail | |
"Tritiaria albirupina" = Phos albirupina Harris 1894 true whelk
Metula johnsoni Vaughan 1896 true whelk
Siphonalia sullivani Harris and Palmer 1947 true whelk | |
"Tritiaria magnocostata" = Nassarius (Tritiaria)
"Tritiaria magnocostata" = Nassarius (Tritiaria) snail | |
Trigonostoma selectum Harris and Palmer 1947 snail
Bonellitia jacksonica Cooke 1926 snail | |
Vasum humerosum snail | |
Cordiera ludoviciana Vaughn 1896 snail | |
Pleurofusia danvicola, Pleurofusia subservata, Pleuroliria jacksonella, Infracoronia ludoviciana, Eucheilodon crenocarinata, Eopleurotoma carya, Scobinella transitionalis, Scobinella louisianae, Scobinella famelica, Scobinella newtonensis, Coronia weisbordi
Pleurofusia subservata Harris and Palmer 1947 turrid
Pleuroliria jacksonella Casey 1904 turrid
Eucheilodon crenocarinata turrid
Scobinella transitionalis Harris 1937 turrid
Scobinella louisianae Harris 1937 turrid
Coronia weisbordi Harris 1937 turrid | |
Eoclathurella obesula snail | |
"Terebra" abditiva Harris and Palmer 1947 auger snail | |
Glyptotoma crassiplicata, "Conus tortilis" = Conus sauridens
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell | |
"Turritella arenicola" = Kapalmerella arenicola, "Turritella alveata" = Kapalmerella alveata, Mesalia vetusta, Turritella creola
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
Mesalia vetusta Conrad 1833 turret shell
Turritella creola Harris and Palmer 1947 turret shell | |
Acteon annectens Meyer 1885 snail | |
"Architectonica (Solariaxis) acuta" = Architectonica acuta, Architectonica (Granosolarium) ornata, Architectonica (Granosolarium) meekana
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial
Architectonica (Granosolarium) ornata Harris and Palmer 1947 sundial Architectonica (Granosolarium) ornata jacksonia
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial Architectonica (Granosolarium) meekana subsplendida
| |
Scaphopoda | |
Dentalium (Antalis) mississippiense, "Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum, Fustiaria (Laevidentalium) danai
Dentalium (Antalis) mississippiense Conrad 1848 tusk shell Dentalium (Antalis) mississippiense jacksonense
"Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum Gabb 1850 tusk shell
Fustiaria (Laevidentalium) danai Meyer 1885 tusk shell | |
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 | |
Bathytormus flexurus Conrad 1854 clam | |
Venericardia (Venericor) "sp. F" Stewart 1930 clam
Venericardia (Rotundicardia) diversidentata Meyer 1885 clam Venericardia (Rotundicardia) diversidentata "var."
| |
Lirodiscus (Lirodiscus) jacksonensis Meyer 1885 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 | |
Chlamys nupera Conrad 1854 scallop | |
Ostrea falco oyster | |
| |
Glycymeris (Glycymeris) filosa Conrad 1854 clam | |
Barbatia (Cucullaearca) cuculloides Conrad 1833 clam |