PRI 2744 (Eocene of the United States)

Where: Sabine County, Louisiana (31.4° N, 93.7° W: paleocoordinates 32.4° N, 84.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cook Mountain Formation (Claiborne 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 92386: authorized by Jocelyn Sessa, entered by Laurie Eccles on 09.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Sorbeoconcha - Cassidae
"Phalium brevicostatum" = Cassis brevicostatus
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail
 Neogastropoda - Cochlespiridae
Tropisurcula crenula snail
Tropisurcula crenula sabines
"Eodrillia texana" = Tropisurcula (Eodrillia) snail
Eodrillia texana educata
 Neogastropoda - Conidae
Glyptotoma crassiplicata Gabb 1860 cone shell
 Neogastropoda - Turridae
Lyrosurcula dalli turrid
Lyrosurcula dalli quadrivaricata
"Coronia wateletella" = Gemmula (Coronia) turrid
Pleuroliria crenulosa turrid
Pleuroliria crenulosa crescens and Pleuroliria crenulosa "var."
Eosurcula moorei Gabb 1860 turrid
Eosurcula moorei moorella
Eopleurotoma carya Harris 1937 turrid
Eopleurotoma carya fisheriana
 Neogastropoda - Borsoniidae
 Neogastropoda - Fasciolariidae
 Heterostropha - Architectonicidae
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
Architectonica (Granosolarium) meekana subsplendida [entered as Architectonic (Granosolarium) meekana]
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
Architectonica scrobiculata hicoria
Bivalvia
 Cardiida - Veneridae
Pitar (? Katherinella) "sp." Römer 1857 venus clam