PRI 1 (Eocene of the United States)

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

• Contains burrows unlithified argillaceous,calcareous siltstone-lithological description and Environment from PBDB collection #1418

Size class: mesofossils

Reposited in the PRI

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 90305: authorized by Jocelyn Sessa, entered by Laurie Eccles on 16.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Antalis) mississippiense1 Conrad 1848 tusk shell
Dentalium (Antalis) mississippiense jacksonense
Gastropoda
 Heterostropha - Architectonicidae
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Architectonica (Granosolarium) ornata Harris and Palmer 1947 sundial
Architectonica (Granosolarium) ornata jacksonia
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
Turritella clevelandia Harris 1894 turret shell
 Sorbeoconcha - Naticidae
Euspira jacksonensis Harris and Palmer 1947 moon snail
Natica permunda1 Conrad 1854 moon snail
 Neogastropoda - Fasciolariidae
Papillina dumosa Conrad 1854 snail
Dolicholatirus leaensis1 Harris 1897 snail
 Neogastropoda - Nassariidae
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Melongenidae
 Neogastropoda - Mitridae
"Mitra (Fusimitra) millingtoni" = Mitra (Fusimitra) mellingtoni
"Mitra (Fusimitra) millingtoni" = Mitra (Fusimitra) mellingtoni Conrad 1854 mitre shell
 Neogastropoda - Cochlespiridae
 Neogastropoda - Terebridae
"Terebra (Mirula) jacksonensis" = Terebra jacksonensis
"Terebra (Mirula) jacksonensis" = Terebra jacksonensis Cooke 1926 auger snail
 Neogastropoda - Conidae
"Conus tortilis" = Conus sauridens, "Conorbis alatoideus" = Conus (Conorbis) alatoideus
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell
"Conorbis alatoideus" = Conus (Conorbis) alatoideus Aldrich 1885 cone shell
 Neogastropoda - Turridae
Coronia nodulina Casey 1904 turrid
Coronia nodulina bunkerensis
Pleurofusia fluctuosa Harris 1937 turrid
Sinistrella americana Aldrich 1885 turrid
 Neogastropoda - Olivellidae
Agaronia media1 Meyer 1885 snail
 Neogastropoda - Turbinellidae
"Latirus humilior" = Turbinella humilior
"Latirus humilior" = Turbinella humilior Meyer 1885 snail
Latirus humilior urbanus
 Neogastropoda - Volutidae
Athleta symmetricus1 Conrad 1854 volute
Lapparia dumosa Conrad 1854 volute
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) katherinae Vokes 1968 murex snail
Hexaplex (Hexaplex) marksi Harris 1894 murex snail
 Sorbeoconcha - Strombidae
Platyoptera extenta Conrad 1854 true conch
 Sorbeoconcha - Rostellariidae
 Sorbeoconcha - Eocypraeidae
Sulcocypraea healeyi Aldrich 1923 snail
 Sorbeoconcha - Cassidae
Phalium taitii Conrad 1834 snail
Phalium taitii johnsoni
 Sorbeoconcha - Ficidae
Ficus filia fig shell
 Sorbeoconcha - Xenophoridae
Xenophora reclusa carrier shell
 Sorbeoconcha - Vermetidae
Serpulorbis chavani Harris and Palmer 1947 worm shell
Bivalvia
 Ostreida - Gryphaeidae
"Pycnodonta ludoviciana" = Pycnodonte
"Pycnodonta ludoviciana" = Pycnodonte oyster
 Arcida - Arcidae
 Arcida - Glycymerididae
 Arcida - Limopsidae
 Cardiida - Tellinidae
"Tellina (Arcopaginula) eburneopsis" = Tellina (Arcopagia) eburneopsis, Tellina vicksburgensis2
"Tellina (Arcopaginula) eburneopsis" = Tellina (Arcopagia) eburneopsis Conrad 1865 tellin clam
Tellina vicksburgensis2 Conrad 1848 tellin clam
Tellina vicksburgensis moodiana
 Pholadida - Corbulidae
 Carditida - Crassatellidae
Bathytormus flexurus2 Conrad 1854 clam
 Carditida - Carditidae
 Carditida - Astartidae