Sohl 028 (Cretaceous of the United States)

Also known as Roadcuts on Mississippi Route 30, on N-facing slope of Wilhite Creek valley from 0.7 to 1.7 miles S of Keownville, Union Co., Miss.

Where: Union County, Mississippi (34.5° N, 89.0° W: paleocoordinates 38.2° N, 65.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Ripley Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; glauconitic, black, gray, silty sandstone

• Sand, gray-black, silty, micaceous, glauconitic; two indurated ledges about 1 foot apart occur near base of unit, with fossils preserved as internal molds.

Size class: mesofossils

Collection methods: USGS 25491: L. W. Stephenson and N. F. Sohl 1955

Primary reference: N. F. Sohl. 1960. Archeogastropoda, Mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. US Geological Survey Professional Paper 331:1-151 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7601: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Trobus corona turret shell
Trobus corona (Conrad)
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
 Neogastropoda - Pyropsidae
Pyropsis sp. Conrad 1860 snail
Pyropsis sp. B Sohl 1960
 Sorbeoconcha - Aporrhaidae
Pugnellus (Pugnellus) densatus snail
Pugnellus (Pugnellus) densatus Conrad
Pugnellus goldmani snail
Pugnellus goldmani Gardner