Sohl 034 (Cretaceous of the United States)

Also known as Roadcut on E-facing slope of Muddy creek, Pontotoc Co., Miss.

Where: Pontotoc County, Mississippi (34.2° N, 90.0° W: paleocoordinates 38.2° N, 66.9° 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, gray, calcareous claystone

• Clay, gray (weathering tan), micaceous calcareous, glauconitic; cylindrical concretions with phosphatized interiors common. fossils are very fragile

Size class: mesofossils

Collection methods: USGS 25481: 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 7599: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Ostreida - Flemingostreidae
Agerostrea falcata Morton 1827 oyster
Ostrea falcata
 Pectinida - Anomiidae
Anomia argentaria Morton 1833 jingle
Anomia argentaria Morton
 Poromyida - Poromyidae
Cymella ? bella clam
Cymella bella Conrad?
 Pholadida - Corbulidae
Caestocorbula crassiplica Gabb 1860 clam
Caesticorbula crassiplica (Gabb)
Gastropoda
 Opisthobranchia - Cylichnidae
Cylichna incisa Stephenson 1941 snail
Cylichna incisa Stephenson
 Seguenzioidea - Eucyclidae
Calliomphalus (Calliomphalus) americanus snail
Calliomphalus (Calliomphalus) americanus Wade
Cephalopoda
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp.
 Belemnitida - Belemnitellidae
Belemnitella sp. d'Orbigny 1840 belemnite
Belemnitella sp.