PRI 55 (Paleocene of the United States)

Where: Sabine County, Louisiana (31.5° N, 93.6° W)

• Paleocoordinates: 37.1° N, 66.6° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Marthaville Formation (Wilcox Group), Thanetian (59.2 - 56.0 Ma)

• EOCENE (PALEOCENE, LATE)* LIGNITIC (LIGNITIC = LOWER WILCOX Gr)* - Marthaville Fm.

•NOTE: should this be Marthaville or Greggs?? Recheck.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Collection methods: Claiborne sand. J.H. Aldrich, Collector.

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 92305: authorized by Jocelyn Sessa, entered by Laurie Eccles on 05.11.2009

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Neogastropoda - Turridae
"Turris" sp. Röding 1798 turrid
 Neogastropoda - Fasciolariidae
"Latirus tortilis" = Pseudolatirus tortilis
"Latirus tortilis" = Pseudolatirus tortilis Whitfield 1865 snail
Latirus tortilis nanafalius
 Cerithioidea - Turritellidae
Bivalvia
 Cardiida - Cardiidae
cf. Plagiocardium sp. Cossmann 1866 cockle
 Carditida - Crassatellidae
? Crassatella "sp. D" Lamarck 1799 clam