M 2745 (Eocene of the United States)

Where: Catahoula County, Louisiana (31.6° N, 91.8° W)

• Paleocoordinates: 35.8° N, 76.7° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Danville Landing Member (Yazoo Formation), Priabonian (38.0 - 33.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, concretionary, gypsiferous, shelly/skeletal, yellow, blue, argillaceous, calcareous mudstone

• Environment from PBDB col# 45017.
• "blue to yellow, calcareous, gypsiferous, fossiliferous, argillaceous, concretionary clay and mudstone." "data assembled from surface sections and shallow borings indicates a thickness of at least 100ft." Lithology from PBDB col# 45017.

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 98689: authorized by Jocelyn Sessa, entered by Laurie Eccles on 19.10.2010

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Opisthobranchiata - Retusidae
cf. Rhizorus sp.
cf. Rhizorus sp. Montfort 1810 snail
 Opisthobranchiata - Cylichnidae
Abderospira leblanci
Abderospira leblanci Harris and Palmer 1947 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta
Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Epitonioidea - Epitoniidae
Cirsotrema (Coroniscala) danvillense, Acrilla unilineata
Cirsotrema (Coroniscala) danvillense Harris and Palmer 1947 wentletrap
Acrilla unilineata Heilprin 1880 wentletrap
 Cerithioidea - Turritellidae
"Turritella arenicola" = Kapalmerella arenicola
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
Turritella arenicola danvillensis
 Sorbeoconcha - Naticidae
Natica permunda, Sinum danvillense
Natica permunda Conrad 1854 moon snail
Sinum danvillense Harris and Palmer 1947 moon snail
 Neogastropoda - Volutidae
Caricella howei
Caricella howei Harris and Palmer 1947 volute
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) supernus
Hexaplex (Hexaplex) supernus Harris and Palmer 1947 murex snail
 Neogastropoda - Borsoniidae
Asthenotoma "sp. A", Asthenotoma "sp. B", Asthenotoma danvitexa, Pseudotoma heilprini, Microdrillia ouachitae
Asthenotoma "sp. A" Harris and Burrows 1891 snail
Asthenotoma "sp. B" Harris and Burrows 1891 snail
Asthenotoma danvitexa Harris and Palmer 1947 snail
Pseudotoma heilprini Aldrich 1885 snail
Pseudotoma heilprini "var."
 Neogastropoda - Conidae
"Conus tortilis" = Conus sauridens
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Turridae
Eucheilodon crenocarinata, Pleurofusia danvicola, "Coronia montgomeryensis" = Gemmula (Coronia), "? Coronia plentopsis" = Gemmula (Coronia), "Coronia genitiva" = Gemmula (Coronia) genitiva, Coronia nodulina, Coronia conjuncta, Trypanotoma terebriformis, Eopleurotoma ouachitensis, Sinistrella americana
Pleurofusia danvicola Harris 1937 turrid
including Pleurofusia danvicola var.
"Coronia montgomeryensis" = Gemmula (Coronia) turrid
"? Coronia plentopsis" = Gemmula (Coronia) turrid
"Coronia genitiva" = Gemmula (Coronia) genitiva Casey 1904 turrid
Coronia genitiva "var."
Coronia nodulina Casey 1904 turrid
including Coronia nodulina bunkerensis, Coronia nodulina ouachitensis and Coronia nodulina "var."
Coronia conjuncta Casey 1904 turrid
Trypanotoma terebriformis Harris 1937 turrid
Trypanotoma terebriformis curta
Eopleurotoma ouachitensis Harris 1937 turrid
Sinistrella americana Aldrich 1885 turrid
 Neogastropoda - Drilliidae
Cymatosyrinx palmerae
Cymatosyrinx palmerae Harris and Palmer 1947 snail
 Neogastropoda - Clavatulidae
Turricula plutonica
Turricula plutonica Casey 1903 snail
Turricula plutonica weisbordi
 Neogastropoda - Melongenidae
Levifusus branneri
 Neogastropoda - Buccinidae
cf. Penion penrosei, Siphonalia sullivani, Pseudoliva vetusta
Siphonalia sullivani Harris and Palmer 1947 true whelk
including Siphonalia sullivani ouachitae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Nassariidae
Tritiaria hilli
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis, Dolicholatirus leaensis
Tritonatractus pearlensis Aldrich 1885 snail
including Tritonoatractus pearlensis danvillensis and Tritonoatractus pearlensis montgomeriensis [entered as Tritonoatractus pearlensis]
Dolicholatirus leaensis Harris 1897 snail
 Neogastropoda - Mitridae
"Mitra (Fusimitra) millingtoni" = Mitra (Fusimitra) mellingtoni, "Conomitra hammakeri" = Mitra hammakeri
"Mitra (Fusimitra) millingtoni" = Mitra (Fusimitra) mellingtoni Conrad 1854 mitre shell
"Conomitra hammakeri" = Mitra hammakeri Harris 1894 mitre shell
 Sorbeoconcha - Rostellariidae
Calyptraphorus stamineus
 Vanikoroidea - Eulimidae
Niso "sp. B"
Niso "sp. B" Risso 1826 snail
 Heterostropha - Architectonicidae
Architectonica (Granosolarium) meekana, "Architectonica (Solariaxis) acuta" = Architectonica acuta
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
Architectonica (Granosolarium) meekana subsplendida
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Antalis) danvillense
Dentalium (Antalis) danvillense Harris and Palmer 1947 tusk shell
Bivalvia
 Pectinida - Pectinoidae
Chlamys danvillensis
 Cardiida - Veneridae
Callista (Callista) annexa, Pitar (Pitar) securiformis
Pitar (Pitar) securiformis Conrad 1865 venus clam
 Cardiida - Cardiidae
Nemocardium (Nemocardium) nicolletti
 Pholadida - Corbulidae
Caestocorbula wailesiana