Sohl 029 (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, gray, silty sandstone

• Sand, gray, very silty, micaceous, slightly glauconitic; very fossiliferous, preservation good; fossils occur thoughout unit but are especially abundant and well preserved in zones 5 and 11 feet above base; lower zone is sandier and marked by a dominance of small pelecypods and numerous micrabaciid corals; upper zone occurs at base of a concretionary ledge and larger mollusks ... are common.

Size class: mesofossils

Collection methods: USGS 25485: 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 7600: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Ptenoglossa - Epitoniidae
Aciculiscala acuta Sohl 1963 wentletrap
Aciculiscala acuta Sohl
 Euomphalina - Euomphalidae
Weeksia amplificata snail
Weeksia amplificata (Wade)
 Cephalaspidea - Bullidae
Bullopsis demersus Sohl 1964 snail
Bullopsis demersus Sohl
 Cephalaspidea - Retusidae
Cylichnina (Moniloretusa) spinosa Sohl 1963 snail
Sulcoretusa (Moniloretusa) spinosa Sohl
 Cephalaspidea - Cylichnidae
Cylichna intermissia Sohl 1964 snail
Cylichna intermissia Sohl
Cylichna incisa Stephenson 1941 snail
Cylichna incisa Stephenson
Cylichna secalina Shumard 1861 snail
Cylichna secalina Shumard
 Triphoroidea - Triforidae
"Seila meeki" = Variseila meeki
"Seila meeki" = Variseila meeki Wade 1926 snail
Seila meeki (Wade)
 Triphoroidea - Cerithiopsidae
Seila quadrilirata snail
Seila quadrilirata (Wade)
 Neogastropoda - Buccinidae
Stantonella ripleyana Conrad 1860 true whelk
Stantonella ripleyana (Conrad)
Buccinopsis solida Wade 1917 true whelk
Buccinopsis solida (Wade)
 Neogastropoda - Melongenidae
Deussenia ripleyana Harbison 1945 snail
Deussenia ripleyana Harbison
 Neogastropoda - Fasciolariidae
Anomalofusus subnodosus Sohl 1964 snail
Anomalofusus subnodosus Sohl
Remera stephensoni Harbison 1945 snail
Remera stephensoni Harbison
Graphidula melanopsis Conrad 1860 snail
Graphidula melanopsis (Conrad)
 Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858 snail
Paladmete cancellaria (Conrad)
Paladmete gardnerae Wade snail
Paladmete gardnerae pygmaea Sohl
 Neogastropoda - Volutidae
Volutomorpha aspera Dall 1907 volute
"Volutomorpha" aspera Wade
Volutomorpha valida Sohl 1964 volute
Volutomorpha valida Sohl
Liopeplum leioderma Conrad 1860 volute
Liopeplum leioderma (Conrad)
 Neogastropoda - Tudiclidae
Pyropsis sp. Conrad 1860 snail
Pyropsis sp. B Sohl 1960
 Neogastropoda - Muricidae
Sargana stantoni Weller 1907 murex snail
Sargana stantoni (Weller)
Ecphora proquadricostata Wade 1917 murex snail
Ecphora proquadricostata Wade
 Neogastropoda - Turridae
Amuletum (Lutema) sp. Stephenson 1941 turrid
Amuletum (Lutema) sp.
Amuletum dumasensis Sohl 1964 turrid
Amuletum dumasensis Sohl
Beretra gracilis Wade 1926 turrid
Beretra gracilis (Wade)
 Stromboidea - Aporrhaidae
"Arrhoges (Latiala) lobata" = Latiala lobata, Graciliala calcaris, Pterocerella sp., Anchura abrupta, "Pugnellus (Gymnarus) abnormalis" = Bizarrus abnormalis, Pugnellus (Pugnellus) densatus
"Arrhoges (Latiala) lobata" = Latiala lobata Wade 1926 snail
Arrhoges (Latiala) lobata (Wade)
Graciliala calcaris snail
Graciliala calcaris (Wade)
Pterocerella sp. Meek 1864 snail
Pterocerella sp. A Sohl 1960
Anchura abrupta snail
Anchura abrupta Conrad
"Pugnellus (Gymnarus) abnormalis" = Bizarrus abnormalis Wade 1926 snail
Pugnellus (Gymnarus) abnormalis Wade
Pugnellus (Pugnellus) densatus snail
Pugnellus (Pugnellus) densatus Conrad
 Littorinoidea - Pickworthiidae
Urceolabrum tuberculatum callistum Wade 1916 periwinkle
Urceolabrum tuberculatum callistum Harbison
 Vanikoroidea - Eulimidae
"Cossmannia tennesseensis" = Anteglosia tennesseensis, Eulima gracilistylis
"Cossmannia tennesseensis" = Anteglosia tennesseensis Wade 1926 snail
Anteglosia tennesseensis (Wade)
Eulima gracilistylis Sohl 1964 snail
Eulima gracilistylis Sohl
 Naticoidea - Naticidae
Euspira rectilabrum Conrad 1858 moon snail
Euspira rectilabrum (Conrad)
Amaurellina stephensoni moon snail
Amaurellina stephensoni (Wade)
Gyrodes supraplicatus Conrad 1858 moon snail
Gyrodes supraplicatus (Conrad)
 Calyptraeoidea - Calyptraeidae
? Crucibulum sp. Schumacher 1817 slipper shell
Crucibulum? sp.
 Xenophoroidea - Xenophoridae
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa Morton 1834 carrier shell
Xenophora leprosa (Morton)
 Rissooidea - Rissoidae
Alvania tallahatchiensis snail
Turboella tallahatchiensis Sohl
Turboella crebricostata snail
Turboella crebricostata Sohl
 Sorbeoconcha - Turritellidae
Laxispira lumbricalis Gabb 1877 turret shell
Laxispira lumbricalis Gabb
Turritella hilgardi turret shell
Turritella hilgardi Sohl
Turritella howelli turret shell
Turritella howelli Harbison
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
"Haustator trilira" = Turritella trilira Conrad 1860 turret shell
Turritella trilira Conrad
 Sorbeoconcha - Cerithiidae
Cerithium semirugatum Wade 1926 cerith snail
Cerithium semirugatum Wade
Cerithium weeksi Wade 1926 cerith snail
Cerithium weeksi Wade
 Heterostropha - Acteonidae
Scobinidola guttatus Sohl 1963 snail
Scobinidola guttata Sohl
Goniocylichna bisculpturata Wade 1926 snail
Goniocylichna bisculpturata Wade
Acteon pistilliformis Sohl 1964 snail
Acteon pistilliformis Sohl
Acteon cicatricosus Sohl 1964 snail
Acteon cicatricosus Sohl
 Heterostropha - Ringiculidae
"Ringicula pulchella" = Ringicula (Ringicula) pulchella Shumard 1861 snail
Ringicula pulchella Shumard
Oligoptycha corrugata Sohl 1964 snail
Oligoptycha corrugata Sohl
 Heterostropha - Gordenellidae
Promathilda (Clathrobaculus) parvula Sohl 1960 snail
Promathilda (Clathrobaculus) parvila Sohl
 Heterostropha - Mathildidae
Gegania bella snail
Gegania bella prodiga Sohl
? Mathilda (Mathilda) cedarensis Stephenson 1941 snail
Mathilda (Mathilda?) cedarensis Stephenson
? Acrocoelum cereum snail
Acrocoelum? cereum Sohl
 Tectibranchia - Scaphandridae
Ellipsoscapha sp. Stephenson 1941 snail
Ellipsoscapha sp.
 Pyramidelloidea - Pyramidellidae
Creonella turretiforma Sohl 1964 snail
Creonella turretiforma Sohl
Creonella triplicata Wade 1917 snail
Creonella triplicata Wade
Creonella subangulata Sohl 1964 snail
Creonella subangulata Sohl
 Pyramidelloidea -
Damesia keownvillensis snail
Damesia keownvillensis Sohl
 Architectonicoidea - Architectonicidae
Margaritella pumila snail
Margaritella pumila Stephenson
Pseudomalaxis pilsbryi snail
Pseudomalaxis pilsbryi Harbison