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

Show authors, comments, and common names
Gastropoda
 Heterostropha - Architectonicidae
Architectonica (Granosolarium) ornata, "Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum
Architectonica (Granosolarium) ornata Harris and Palmer 1947 sundial
Architectonica (Granosolarium) ornata jacksonia
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
 Cerithioidea - Turritellidae
Turritella clevelandia, "Turritella alveata" = Kapalmerella alveata
Turritella clevelandia Harris 1894 turret shell
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
 Sorbeoconcha - Naticidae
Polinices weisbordi, Euspira jacksonensis, Natica permunda1
Euspira jacksonensis Harris and Palmer 1947 moon snail
Natica permunda1 Conrad 1854 moon snail
 Sorbeoconcha - Vermetidae
Serpulorbis chavani
Serpulorbis chavani Harris and Palmer 1947 worm shell
 Sorbeoconcha - Ficidae
Ficus filia
Ficus filia fig shell
 Sorbeoconcha - Cassidae
Phalium taitii
Phalium taitii Conrad 1834 snail
Phalium taitii johnsoni
 Neogastropoda - Mitridae
"Mitra (Fusimitra) millingtoni" = Mitra (Fusimitra) mellingtoni
"Mitra (Fusimitra) millingtoni" = Mitra (Fusimitra) mellingtoni Conrad 1854 mitre shell
 Neogastropoda - Nassariidae
Tritiaria hilli
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Melongenidae
Levifusus branneri
 Neogastropoda - Fasciolariidae
Dolicholatirus leaensis1, Papillina dumosa, Clavilithes humerosus
Dolicholatirus leaensis1 Harris 1897 snail
Papillina dumosa Conrad 1854 snail
 Neogastropoda - Buccinidae
Pseudoliva vetusta
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) katherinae, Hexaplex (Hexaplex) marksi
Hexaplex (Hexaplex) katherinae Vokes 1968 murex snail
Hexaplex (Hexaplex) marksi Harris 1894 murex snail
 Neogastropoda - Volutidae
Athleta symmetricus1, Lapparia dumosa, Caricella turneri
Athleta symmetricus1 Conrad 1854 volute
Lapparia dumosa Conrad 1854 volute
 Neogastropoda - Olivellidae
Agaronia media1
Agaronia media1 Meyer 1885 snail
 Neogastropoda - Turbinellidae
"Latirus humilior" = Turbinella humilior
"Latirus humilior" = Turbinella humilior Meyer 1885 snail
Latirus humilior urbanus
 Neogastropoda - Terebridae
"Terebra (Mirula) jacksonensis" = Terebra jacksonensis
"Terebra (Mirula) jacksonensis" = Terebra jacksonensis Cooke 1926 auger snail
 Neogastropoda - Turridae
Sinistrella americana, Coronia nodulina, Pleurofusia fluctuosa
Sinistrella americana Aldrich 1885 turrid
Coronia nodulina Casey 1904 turrid
Coronia nodulina bunkerensis
Pleurofusia fluctuosa Harris 1937 turrid
 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 - Cochlespiridae
Cochlespira columbaria
 Sorbeoconcha - Xenophoridae
Xenophora reclusa
Xenophora reclusa carrier shell
 Sorbeoconcha - Eocypraeidae
Sulcocypraea healeyi
Sulcocypraea healeyi Aldrich 1923 snail
 Sorbeoconcha - Rostellariidae
Calyptraphorus stamineus
 Sorbeoconcha - Strombidae
Platyoptera extenta
Platyoptera extenta Conrad 1854 true conch
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Antalis) mississippiense1
Dentalium (Antalis) mississippiense1 Conrad 1848 tusk shell
Dentalium (Antalis) mississippiense jacksonense
Bivalvia
 Arcida - Arcidae
Barbatia (Cucullaearca) cuculloides2
 Arcida - Glycymerididae
Glycymeris (Glycymeris) idonea2
 Arcida - Limopsidae
Limopsis (Pectunculina) radiata
 Ostreida - Gryphaeidae
"Pycnodonta ludoviciana" = Pycnodonte
"Pycnodonta ludoviciana" = Pycnodonte oyster
 Carditida - Astartidae
Lirodiscus (Lirodiscus) jacksonensis1
 Carditida - Carditidae
Venericardia "sp. F"2, Venericardia (Venericor) klimacodes2, Venericardia (Rotundicardia) diversidentata, Venericardia (Rotundicardia) carsonensis2
Venericardia "sp. F"2 Lamarck 1801 clam
 Carditida - Crassatellidae
Bathytormus flexurus2
Bathytormus flexurus2 Conrad 1854 clam
 Pholadida - Corbulidae
Caestocorbula wailesiana2
 Cardiida - Tellinidae
Tellina vicksburgensis2, "Tellina (Arcopaginula) eburneopsis" = Tellina (Arcopagia) eburneopsis
Tellina vicksburgensis2 Conrad 1848 tellin clam
Tellina vicksburgensis moodiana
"Tellina (Arcopaginula) eburneopsis" = Tellina (Arcopagia) eburneopsis Conrad 1865 tellin clam
1Dockery 1980; 2Harris and Palmer 1946