PRI 785 (Eocene of the United States)

Where: Hinds County, Mississippi (32.3° N, 90.2° W: paleocoordinates 33.1° N, 81.3° 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: marine; glauconitic, muddy, sandy sandstone

• Environment from PBDB collection #84174.
• Lithology notes from USGS site: "shells embedded in glauconitic clayey quartz sand"

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 90471: authorized by Jocelyn Sessa, entered by Laurie Eccles on 29.07.2009, edited by Ursula Smith and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Biocorbula pearlensis
Bivalvia
 Arcida - Glycymerididae
Glycymeris (Glycymeris) filosa
 Arcida - Limopsidae
Limopsis (Pectunculina) radiata
 Ostreida - Gryphaeidae
"Pycnodonta (Pycnodonta) trigonalis" = Pycnodonte1
"Pycnodonta (Pycnodonta) trigonalis" = Pycnodonte1 oyster
 Hiatellida - Hiatellidae
? Panopea (Panopea) oblongata
 Cardiida - Gastrochaenidae
Gastrochaena (Gastrochaena) mississippiensis
 Cardiida - Ungulinidae
Timothynus bulla
Timothynus bulla Conrad 1865 clam
 Cardiida - Tellinidae
Tellina (Eurytellina) linifera
 Pholadida - Corbulidae
Caestocorbula wailesiana1
 Pholadida - Teredinidae
Teredo mississippiensis
Teredo mississippiensis Conrad 1854 clam
 Carditida - Carditidae
Venericardia (Rotundicardia) diversidentata
 Carditida - Crassatellidae
Bathytormus flexurus
Bathytormus flexurus Conrad 1854 clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Antalis) danvillense, Dentalium (Antalis) mississippiense
Dentalium (Antalis) danvillense Harris and Palmer 1947 tusk shell
Dentalium (Antalis) mississippiense Conrad 1848 tusk shell
Dentalium (Atnalis) mississippiense jacksonense
Gastropoda
 Lepetellida - Fissurellidae
Diodora tenebrosa
Diodora tenebrosa Conrad 1833 snail
Diodora tenebrosa veatchi
 Cerithioidea - Turritellidae
"Turritella arenicola" = Kapalmerella arenicola, "Turritella rivurbana" = Haustator rivurbana, Turritella perdita
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
"Turritella rivurbana" = Haustator rivurbana Cooke 1926 turret shell
Turritella perdita Conrad 1865 turret shell
Turritella. perdita jacksonensis
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta, Calyptraea alta
Calyptraea (Trochita) aperta Solander 1766 slipper shell
Calyptraea alta Conrad 1854 slipper shell
 Architaenioglossa - Ampullinidae
Globularia morgani
Globularia morgani Johnson 1899 snail
 Sorbeoconcha - Capulidae
Capulus americanus
Capulus americanus Conrad 1854 snail
 Sorbeoconcha - Rostellariidae
Calyptraphorus stamineus
 Sorbeoconcha - Strombidae
Platyoptera extenta
Platyoptera extenta Conrad 1854 true conch
 Sorbeoconcha - Xenophoridae
Xenophora reclusa
Xenophora reclusa carrier shell
 Sorbeoconcha - Ficidae
Ficus merita
Ficus merita Harris and Palmer 1947 fig shell
 Sorbeoconcha - Cypraeidae
Cypraeorbis ventripotens
Cypraeorbis ventripotens Cossmann 1903 cowry
 Neogastropoda - Turbinellidae
"Latirus humilior" = Turbinella humilior, "Latirus humilior" = Turbinella humilior2
"Latirus humilior" = Turbinella humilior Meyer 1885 snail
Latirus humilior urbanus
"Latirus humilior" = Turbinella humilior2 Meyer 1885 snail
n. var urbanus
 Neogastropoda - Costellariidae
Conomitra jacksonensis
Conomitra jacksonensis Cooke 1926 ribbed mitre
 Neogastropoda - Nassariidae
"Fusinus insectoides" = Fusus insectoides
"Fusinus insectoides" = Fusus insectoides Harris 1896 snail
 Neogastropoda - Buccinidae
Siphonalia jacksonia, Pseudoliva vetusta
Siphonalia jacksonia Harris 1896 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis, Papillina dumosa, Clavilithes humerosus, Dolicholatirus leaensis
Tritonatractus pearlensis Aldrich 1885 snail
Tritonoatractus pearlensis montgomeriensis [entered as Tritonoatractus pearlensis]
Papillina dumosa Conrad 1854 snail
Dolicholatirus leaensis Harris 1897 snail
 Neogastropoda - Conidae
"Conorbis alatoideus" = Conus (Conorbis) alatoideus
"Conorbis alatoideus" = Conus (Conorbis) alatoideus Aldrich 1885 cone shell
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) marksi, "Murex (Pyllonotus) engonatus" = Hexaplex (Hexaplex) engonatus2, Hexaplex (Hexaplex) katherinae, Hexaplex (Hexaplex) supernus
Hexaplex (Hexaplex) marksi Harris 1894 murex snail
"Murex (Pyllonotus) engonatus" = Hexaplex (Hexaplex) engonatus2 Conrad 1833 murex snail
n. var. supernus
Hexaplex (Hexaplex) katherinae Vokes 1968 murex snail
Hexaplex (Hexaplex) supernus Harris and Palmer 1947 murex snail
 Neogastropoda - Volutidae
Lapparia dumosa, Caricella subangulata, Caricella polita
Lapparia dumosa Conrad 1854 volute
Lapparia dumosa and Lapparia dumosa exiqua
Caricella subangulata Conrad 1854 volute
Caricella polita Conrad 1854 volute
 Neogastropoda - Harpidae
"Harpa (Eocithara) jacksonensis" = Harpa jacksonensis
"Harpa (Eocithara) jacksonensis" = Harpa jacksonensis Harris 1896 snail
 Sorbeoconcha - Cassidae
Galeodea petersoni, Galeodea (? Gomphopages) millsapsi, Galeodea planotecta
Galeodea petersoni Conrad 1854 snail
Galeodea (? Gomphopages) millsapsi Sullivan and Gardner 1939 snail
Galeodea planotecta Meyer and Aldrich 1886 snail
Galeodea planotecta jacksonia
 Sorbeoconcha - Hipponicidae
Hipponix "n.sp"
Hipponix "n.sp" Defrance 1819 hoof shell
 Sorbeoconcha - Naticidae
Euspira jacksonensis, Euspira jacksonensis n. sp.2, Polinices weisbordi, Natica permunda
Euspira jacksonensis Harris and Palmer 1947 moon snail
Euspira jacksonensis n. sp.2 Harris and Palmer 1947 moon snail
Natica permunda Conrad 1854 moon snail
 Heterostropha - Architectonicidae
"Architectonica (Solariaxis) acuta" = Architectonica acuta, Architectonica (Granosolarium) meekana, Architectonica (Architectonica) "sp. D"
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
Architectonica (Granosalarium) meekana subsplendida
 Opisthobranchia - Cylichnidae
Scaphander jacksonensis, Scaphander jacksonensis n. sp.2
Scaphander jacksonensis Harris and Palmer 1947 snail
Scaphander jacksonensis n. sp.2 Harris and Palmer 1947 snail
 Opisthobranchia - Umbraculidae
Umbraculum planulatum
1Harris and Palmer 1946; 2Harris and Palmer 1947