M 2745 (Eocene of the United States)

Where: Catahoula County, Louisiana (31.6° N, 91.8° W: paleocoordinates 32.3° N, 84.0° W)

• 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: CC BY (attribution)

Taxonomic list

 Dentaliida - Dentaliidae
Dentalium (Antalis) danvillense Harris and Palmer 1947 tusk shell
 Pectinida - Pectinoidae
 Pholadida - Corbulidae
 Cardiida - Veneridae
Pitar (Pitar) securiformis Conrad 1865 venus clam
 Cardiida - Cardiidae
 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
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Epitonioidea - Epitoniidae
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
Sinum danvillense Harris and Palmer 1947 moon snail
Natica permunda Conrad 1854 moon snail
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Melongenidae
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis Aldrich 1885 snail
including Tritonoatractus pearlensis danvillensis and Tritonoatractus pearlensis montgomeriensis [entered as Tritonoatractus pearlensis]
Dolicholatirus leaensis Harris 1897 snail
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
Siphonalia sullivani Harris and Palmer 1947 true whelk
including Siphonalia sullivani ouachitae
 Neogastropoda - Nassariidae
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Volutidae
Caricella howei Harris and Palmer 1947 volute
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) supernus Harris and Palmer 1947 murex snail
 Neogastropoda - Conidae
"Conus tortilis" = Conus sauridens
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Borsoniidae
Asthenotoma "sp. A" Harris and Burrows 1891 snail
Asthenotoma "sp. B" Harris and Burrows 1891 snail
Pseudotoma heilprini Aldrich 1885 snail
Pseudotoma heilprini "var."
 Neogastropoda - Turridae
Trypanotoma terebriformis Harris 1937 turrid
Trypanotoma terebriformis curta
Sinistrella americana Aldrich 1885 turrid
"Coronia montgomeryensis" = Gemmula (Coronia) turrid
"? Coronia plentopsis" = Gemmula (Coronia) turrid
"Coronia genitiva" = Gemmula (Coronia) genitiva Casey 1904 turrid
Coronia genitiva "var."
Coronia conjuncta Casey 1904 turrid
Coronia nodulina Casey 1904 turrid
including Coronia nodulina bunkerensis, Coronia nodulina ouachitensis and Coronia nodulina "var."
Eopleurotoma ouachitensis Harris 1937 turrid
Pleurofusia danvicola Harris 1937 turrid
including Pleurofusia danvicola var.
 Neogastropoda - Clavatulidae
Turricula plutonica Casey 1903 snail
Turricula plutonica weisbordi
 Neogastropoda - Drilliidae
 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
 Vanikoroidea - Eulimidae
Niso "sp. B" Risso 1826 snail
 Opisthobranchia - Retusidae
cf. Rhizorus sp. Montfort 1810 snail
 Opisthobranchia - Cylichnidae
Abderospira leblanci Palmer 1947 snail