MGS 105 (Eocene of the United States)

Also known as LGS 56

Where: Natchitoches County, Louisiana (31.8° N, 93.1° W: paleocoordinates 34.5° N, 78.7° 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, ferruginous, glauconitic, gray, red, silty claystone

• Fossils collected from red ferruginous glauconitic layer overlying medium gray silts and clays(Barry & LeBlanc 1942).

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 101125: 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
Gastropoda
 Cerithioidea - Turritellidae
"Turritella mortoni" = Kapalmerella mortoni
"Turritella mortoni" = Kapalmerella mortoni Conrad 1830 turret shell
Turritella mortoni postmortoni
 Sorbeoconcha - Naticidae
Polinices harrisii
 Neogastropoda - Nassariidae
Nassarius exilis, "Buccinanops ellipticum" = Bullia (Buccinanops)
"Buccinanops ellipticum" = Bullia (Buccinanops) snail
 Neogastropoda - Buccinidae
Pseudoliva santander, Pseudoliva vetusta
Pseudoliva vetusta Conrad 1833 true whelk
Bivalvia
 Cardiida - Tellinidae
Tellina bellsiana, Tellina sp.
Tellina bellsiana tellin clam
Tellina sp. Linnaeus 1758 tellin clam
 Carditida - Carditidae
Venericardia (Venericor) densata
Venericardia (Venericor) densata Conrad 1845 clam
Venericardia (Venericor) densata pendletonensis