LGS 54 (Eocene of the United States)

Where: Natchitoches County, Louisiana (31.7° N, 93.3° W: paleocoordinates 34.5° N, 78.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pendleton Ferry Formation (Wilcox Group), Ypresian (56.0 - 47.8 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; unlithified, fine-grained, brown, yellow sandstone

• Yellowish brown fine sand.

Size classes: macrofossils, mesofossils

Primary reference: D. T. Dockery. 1980. Invertebrate Macropaleontolgy of the Clarke County Mississippi Area. Bulletin - Mississippi Geological, Economic and Topographic Survey 122 [M. Kosnik/M. Kosnik/L. Eccles]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101128: authorized by Jocelyn Sessa, entered by Laurie Eccles on 17.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
Nuculana corpulentoidea
Nuculana corpulentoidea pointed nut clam
 Cardiida - Cardiidae
"Cardium (Cerastoderma) tuomeyi" = Acanthocardia (Schedocardia) tuomeyi
"Cardium (Cerastoderma) tuomeyi" = Acanthocardia (Schedocardia) tuomeyi Aldrich 1886 cockle
Cardium (Cerastoderma) tuomeyi var.
 Carditida - Carditidae
Venericardia (Venericor) densata
Venericardia (Venericor) densata Conrad 1845 clam
Venericardia (Venericor) densata pendletonensis