PRI 2224 (Eocene of the United States)

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

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

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
 Opisthobranchia - Cylichnidae
Abderospira oviformis Meyer 1886 snail
 Heterostropha - Acteonidae
Acteon annectens Meyer 1885 snail
 Heterostropha - Architectonicidae
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
 Cerithioidea - Turritellidae
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
 Sorbeoconcha - Naticidae
Sinum jacksonense moon snail
 Sorbeoconcha - Ficidae
Ficus merita Harris and Palmer 1947 fig shell
 Sorbeoconcha - Personidae
"Distorsio (Personella) jacksonensis" = Distorsio jacksonensis
"Distorsio (Personella) jacksonensis" = Distorsio jacksonensis Meyer 1885 snail
 Sorbeoconcha - Cassidae
"Phalium brevicostatum" = Cassis brevicostatus, Phalium taitii
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail
Phalium brevicostatum creolum
Phalium taitii Conrad 1834 snail
Phalium taitii johnsoni
 Neogastropoda - Nassariidae
"Tritiaria magnocostata" = Nassarius (Tritiaria)
"Tritiaria magnocostata" = Nassarius (Tritiaria) snail
 Neogastropoda - Melongenidae
Levifusus "sp. D" Conrad 1865 snail
Levifusus fulguriparens Maury 1909 snail
Levifusus mortoniopsis snail
Levifusus mortoniopsis subsp.
 Neogastropoda - Buccinidae
Metula johnsoni Vaughan 1896 true whelk
Siphonalia sullivani Harris and Palmer 1947 true whelk
"Tritiaria albirupina" = Phos albirupina Harris 1894 true whelk
 Neogastropoda - Volutidae
Athleta haleanus volute
Athleta haleanus jacksonius
Lapparia dumosa Conrad 1854 volute
Caricella howei Harris and Palmer 1947 volute
 Neogastropoda - Turbinellidae
 Neogastropoda - Terebridae
"Terebra" abditiva Harris and Palmer 1947 auger snail
 Neogastropoda - Turridae
Eopleurotoma carya Harris 1937 turrid
Eopleurotoma carya
Infracoronia ludoviciana Harris and Palmer 1947 turrid
Infracoronia ludoviciana normani
Coronia weisbordi Harris 1937 turrid
Pleuroliria jacksonella Casey 1904 turrid
Pleurofusia subservata Harris and Palmer 1947 turrid
Pleurofusia danvicola Harris 1937 turrid
Pleurofusia danvicola parahilgardina
Scobinella famelica Casey 1903 turrid
Scobinella famelica subsp.
Scobinella louisianae Harris 1937 turrid
Scobinella newtonensis Aldrich 1911 turrid
Scobinella newtonensis subsp.
Scobinella transitionalis Harris 1937 turrid
 Neogastropoda - Conidae
Glyptotoma crassiplicata Gabb 1860 cone shell
Glyptotoma crassiplicata montgomeryensis
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Borsoniidae
Pseudotoma heilprini Aldrich 1885 snail
Pseudotoma heilprini "var."
Cordiera ludoviciana Vaughn 1896 snail
 Neogastropoda - Clathurellidae
 Neogastropoda - Cancellariidae
Bonellitia jacksonica Cooke 1926 snail
Trigonostoma selectum Harris and Palmer 1947 snail
 Sorbeoconcha - Xenophoridae
Xenophora reclusa carrier shell
 Sorbeoconcha - Pediculariidae
Cypraedia fenestralis Conrad 1854 snail
 Sorbeoconcha - Eocypraeidae
Sulcocypraea healeyi Aldrich 1923 snail
Sphaerocypraea jacksonensis Johnson 1899 snail
 Sorbeoconcha - Rostellariidae
 Epitonioidea - Epitoniidae
Cirsotrema (Coroniscala) danvillense1 Harris and Palmer 1947 wentletrap
Scaphopoda
 Dentaliida - Dentaliidae
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
 Nuculanida - Nuculanidae
Hilgardia multilineata, "Yoldia (? Orthoyoldia) "sp. C"" = Orthoyoldia
Hilgardia multilineata Conrad 1854 pointed nut clam
"Yoldia (? Orthoyoldia) "sp. C"" = Orthoyoldia Verrill 1897 pointed nut clam
 Arcida - Arcidae
 Arcida - Glycymerididae
Glycymeris idonea Conrad 1865 clam
Glycymeris idonea var.
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
Pteria limula vanwinkleae
 Ostreida - Ostreidae
 Pectinida - Pectinoidae
Chlamys nupera Conrad 1854 scallop
 Carditida - Astartidae
 Carditida - Carditidae
Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
Venericardia (Rotundicardia) diversidentata "var."
 Carditida - Crassatellidae
Bathytormus flexurus Conrad 1854 clam
 Pholadida - Corbulidae
 Pholadida - Teredinidae
Teredo mississippiensis Conrad 1854 clam
 Cardiida - Mactridae
Spisula cf. praetenuis Conrad 1833 clam
"Spisula cf. praetenuis"
 Cardiida - Chamidae
Chama sp. Linnaeus 1758 jewel box
 Cardiida - Veneridae
 Cardiida - Tellinidae
Tellina (Arcopagia) raveneli Conrad 1846 tellin clam
ellina (Arcopagia) raveneli weisbordi
 Cardiida - Psammobiidae
 Lucinida - Lucinidae