PRI 2257 (Eocene of the United States)

Where: Hinds County, Mississippi (32.3° N, 90.2° W)

• Paleocoordinates: 36.3° N, 72.8° W (Wright 2013)

• 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: marine; lithology not reported

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 90643: authorized by Jocelyn Sessa, entered by Laurie Eccles on 11.08.2009, edited by Ursula Smith

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Heterostropha - Architectonicidae
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
Architectonica (Gransolarium) meekana subsplendida
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial
 Thecosomata - Cavoliniidae
Creseis simplex Meyer 1886 snail
 Opisthobranchiata - Retusidae
 Opisthobranchiata - Scaphandridae
Mnestia meyeri Cossmann 1893 snail
 Opisthobranchiata - Cylichnidae
 Sorbeoconcha - Capulidae
Capulus americanus Conrad 1854 snail
 Sorbeoconcha - Naticidae
Natica permunda Conrad 1854 moon snail
 Neogastropoda - Terebridae
"Terebra (Mirula) jacksonensis" = Terebra jacksonensis
"Terebra (Mirula) jacksonensis" = Terebra jacksonensis Cooke 1926 auger snail
 Neogastropoda - Turridae
Eopleurotoma julia Cooke 1926 turrid
"Pleurofusia hilgardi" = Pleurotoma hilgardi Casey 1903 turrid
Coronia nodulina Casey 1904 turrid
Pleurofusia collaris Casey 1903 turrid
Sullivania perexilis Aldrich 1886 turrid
 Neogastropoda - Drilliidae
Cymatosyrinx dorseyi Cooke 1926 snail
 Neogastropoda - Borsoniidae
Pseudotoma axeli Harris and Palmer 1947 snail
Pseudotoma heilprini Aldrich 1885 snail
 Neogastropoda - Conidae
"Conorbis alatoideus" = Conus (Conorbis) alatoideus
"Conorbis alatoideus" = Conus (Conorbis) alatoideus Aldrich 1885 cone shell
 Neogastropoda - Olividae
Agaronia media Meyer 1885 olive snail
 Neogastropoda - Turbinellidae
"Latirus humilior" = Turbinella humilior
"Latirus humilior" = Turbinella humilior Meyer 1885 snail
Latirus humilior jacksonensi
 Neogastropoda - Cancellariidae
Bonellitia jacksonica Cooke 1926 snail
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) marksi Harris 1894 murex snail
 Neogastropoda - Volutidae
Lapparia dumosa Conrad 1854 volute
Caricella polita Conrad 1854 volute
Caricella subangulata Conrad 1854 volute
 Neogastropoda - Buccinidae
Metula gentilicia Harris and Palmer 1947 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Melongenidae
Levifusus moodianus Cooke 1926 snail
 Neogastropoda - Nassariidae
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis Aldrich 1885 snail
[entered as Tritonoatractus pearlensis]
 Sorbeoconcha - Rostellariidae
 Sorbeoconcha - Cassidae
Galeodea petersoni Conrad 1854 snail
 Sorbeoconcha - Ficidae
Ficus filia fig shell
 Sorbeoconcha - Hipponicidae
Hipponix "n. sp." Defrance 1819 hoof shell
 Cerithioidea - Cerithiidae
Bittium koeneni cerith snail
 Cerithioidea - Turritellidae
"Turritella arenicola" = Kapalmerella arenicola, Turritella perdita
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
Turritella perdita Conrad 1865 turret shell
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta Solander 1766 slipper shell
Bivalvia
 Nuculanida - Nuculanidae
Hilgardia multilineata2 Conrad 1854 pointed nut clam
 Cardiida - Ungulinidae
Timothynus bulla Conrad 1865 clam
 Cardiida - Mactridae
 Cardiida - Semelidae
Abra (Abra) nitens Lea 1833 abra
Abra (Abra) nitens jacksonica
 Cardiida - Tellinidae
Tellina (Eurytellina) vaughani tellin clam
Tellina vaughani and Tellina (Eurytellina) vaughni var
Tellina vicksburgensis Conrad 1848 tellin clam
Tellina vicksburgensis moodiana
 Carditida - Astartidae
 Carditida - Crassatellidae
 Carditida - Carditidae
Venericardia "sp. F"2 Lamarck 1801 clam
Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
Venericardia (Rotundicardia) diversidentata var
Venericardia (Venericor) apodensata Gardner and Bowles 1939 clam
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
Pteria limula vanwinklea
Scaphopoda
 Gadilida - Gadilidae
Cadulus (Polyschides) margarita Harris and Palmer 1947 tusk shell
 Dentaliida - Dentaliidae
Dentalium (Antalis) mississippiense Conrad 1848 tusk shell
Dentalium (Antalis) mississippiense jacksonense
Anthozoa
 Scleractinia - Rhizangiidae
Astrangia expansa1 Vaughan 1900 stony coral