Sohl 027 (Cretaceous of the United States)

Also known as Small bluff below bridge of St. Louis and San Franciso Railroad over E branch of Okannatie Creek, 2.5 miles ENE Blue springs, 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: upper Member (Ripley Formation), Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, calcareous sandstone

• 9508?: sandstone, dark-gray, calcareous, fossiliferous; contains internal molds of numerous mollusks, 25415: sand, greenish-gray, clayey, silty, micaceous, calcareous, glaconitic, fossiliferous.

Size class: mesofossils

Collection methods: USGS 9508: L. W. Stephenson 1915, USGS 25415: N.F. Sohl 1951

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 7506: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846 snail
Cylichna sp.
Cylichna secalina Shumard 1861 snail
Cylichna secalina Shumard
 Opisthobranchia - Bullidae
Bullopsis demersus Sohl 1964 snail
Bullopsis demersus Sohl
 Heterostropha - Acteonidae
Acteon sp. Montfort 1810 snail
Acteon sp.
 Heterostropha - Pyramidellidae
Creonella turretiforma Sohl 1964 snail
Creonella turretiforma Sohl
Creonella subangulata Sohl 1964 snail
Creonella subangulata Sohl
 Heterostropha - Mathildidae
Gegania bella snail
Gegania bella prodiga Sohl
? Acrocoelum cereum snail
Acrocoelum? cereum Sohl
 Sorbeoconcha - Aporrhaidae
Pugnellus (Pugnellus) densatus snail
Pugnellus (Pugnellus) densatus Conrad
 Neogastropoda - Volutidae
Volutomorpha sp. Gabb 1877 volute
Volutomorpha sp. B Sohl 1960
Liopeplum leioderma Conrad 1860 volute
Liopeplum leioderma (Conrad)
 Neogastropoda - Pholidotomidae
? Morea sp. Conrad 1860 snail
Morea ? sp.
 Neogastropoda - Turridae
Amuletum (Lutema) sp. Stephenson 1941 turrid
Amuletum (Lutema) sp.
Beretra gracilis Wade 1926 turrid
Beretra gracilis (Wade)
 Neogastropoda - Buccinidae
Stantonella ripleyana Conrad 1860 true whelk
Stantonella ripleyana (Conrad)
Ornopsis (Pornosis) digressa Wade 1926 true whelk
Ornopsis (Pornosis) digressa (Wade)
 Sorbeoconcha - Naticidae
"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani Gabb 1861 moon snail
Gyrodes spillmani Gabb
Gyrodes supraplicatus Conrad 1858 moon snail
Gyrodes supraplicatus (Conrad)
Euspira rectilabrum Conrad 1858 moon snail
Euspira rectilabrum (Conrad)
 Sorbeoconcha - Cerithiopsidae
Seila sp. Adams 1861 snail
Seila sp.
 Vanikoroidea - Eulimidae
"Cossmannia tennesseensis" = Anteglosia tennesseensis, Eulima laevigata
"Cossmannia tennesseensis" = Anteglosia tennesseensis Wade 1926 snail
Anteglosia tennesseensis (Wade)
Eulima laevigata Lea 1843 snail
Eulima laevigata Wade
 Cerithioidea - Turritellidae
Laxispira lumbricalis Gabb 1877 turret shell
Laxispira lumbricalis Gabb
"Haustator trilira" = Turritella trilira Conrad 1860 turret shell
Turritella trilira Conrad
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
 Seguenzioidea - Eucyclidae
Calliomphalus (Calliomphalus) americanus snail
Calliomphalus (Calliomphalus) americanus Wade