Sohl 018: Early/Lower Maastrichtian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Acirsa (Hemiacirsa) clathrata Sohl 1964
6 specimens
Acirsa (Hemiacirsa) clathrata Sohl
Acirsa (Hemiacirsa) flexicostata Sohl 1964
3 specimens
Acirsa (Hemiacirsa) flexicostata Sohl
Acirsa (Plesioacirsa) wadei Cossmann 1925
1 specimen
Acirsa (Plesioacirsa) wadei Cossmann
Hercorhyncus (Haplovoluta) triliratus Sohl 1964
29 specimens
Hercorhyncus (Haplovoluta) triliratus Sohl
Ornopsis (Ripleyella) elevata Wade 1916
12 specimens
Ornopsis (Ripleyella) elevata (Wade)
Ringicula yochelsoni Sohl 1964
14 specimens
Ringicula yochelsoni Sohl
Gastropoda - Euomphalina - Euomphalidae
Weeksia amplificata
7 specimens
Weeksia amplificata (Wade)
Gastropoda - Epitoniidae
Striaticostatum bexarense (Stephenson 1941)
12 specimens
Striaticostatum bexarense (Stephenson)
Gastropoda - Eulimidae
Cossmannia tennesseensis (Wade 1926)
2 specimens
original and current combination Rissoina tennesseensis
Anteglosia tennesseensis (Wade)
Eulima gracilistylis (Sohl 1964)
9 specimens
Eulima gracilistylis Sohl
Eulima laevigata (Lea 1843)
2 specimens
Eulima laevigata Wade
Gastropoda - Neotaenioglossa - Calyptraeidae
Thylacus cretaceus Conrad 1860
2 specimens
Thylacus cretaceus Conrad
Gastropoda - Cerithiidae
Cerithium weeksi Wade 1926
3 specimens
Cerithium weeksi Wade
Gastropoda - Pickworthiidae
Urceolabrum tuberculatum
99 specimens
Urceolabrum tuberculatum callistum Harbison
Gastropoda - Turritellidae
Trobus corona
3 specimens
Trobus corona (Conrad)
Turritella hilgardi
3 specimens
Turritella hilgardi Sohl
Turritella howelli
695 specimens
Turritella howelli Harbison
Turritella vertebroides Morton 1834
24 specimens
Turritella vertebroides Morton
Turritella tippana Conrad 1858
5 specimens
Turritella tippana Conrad
Haustator trilira (Conrad 1860)
93 specimens
original and current combination Turritella trilira
Turritella trilira Conrad
Laxispira lumbricalis Gabb 1877
82 specimens
Laxispira lumbricalis Gabb
Gastropoda - Naticidae
Gyrodes spillmani Gabb 1861
4 specimens
recombined as Gyrodes (Sohlella) spillmani
Gyrodes spillmani Gabb
Gyrodes supraplicatus Conrad 1858
4 specimens
Gyrodes supraplicatus (Conrad)
Euspira rectilabrum (Conrad 1858)
386 specimens
Euspira rectilabrum (Conrad)
Gastropoda - Capulidae
Trichotropis mississippiensis
2 specimens
Trichotropis mississippiensis Sohl
Gastropoda - Neogastropoda - Turbinellidae
Napulus fragilis Sohl 1964
13 specimens
Napulus fragilis Sohl
Gastropoda - Neogastropoda - Cancellariidae
Trigonostoma ripleyana Sohl 1964
1 specimen
Trigonostoma ripleyana Sohl
Caveola acuta Wade 1926
2 specimens
Caveola acuta speciosa Sohl
Gastropoda - Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858
201 specimens
Paladmete cancellaria (Conrad), abundance entered as 200+
Paladmete gardnerae (Wade)
210 specimens
Paladmete gardnerae pygmaea Sohl, abundance entered as 200+
Paladmete laevis Sohl 1964
2 specimens
Paladmete laevis Sohl
Gastropoda - Neogastropoda - Mitridae
Paleofusimitra elongata Sohl 1963
4 specimens
Paleofusimitra elongata Sohl
Gastropoda - Neogastropoda - Fasciolariidae
Remera stephensoni Harbison 1945
103 specimens
Remera stephensoni Harbison
Remera microstriata Stephenson 1941
1 specimen
Remera microstriata Stephenson
Anomalofusus subnodosus Sohl 1964
6 specimens
Anomalofusus subnodosus Sohl
Bellifusus curvicostatus Wade 1926
78 specimens
Bellifusus curvicostatus (Wade)
Bellifusus angulicostatus (Sohl 1964)
3 specimens
Bellifusus angulicostatus Sohl
Paleopsephaea mutabilis Wade 1926
37 specimens
Paleopsephaea mutabilis Wade
Paleopsephaea tenuilirata Sohl 1964
12 specimens
Paleopsephaea tenuilirata Sohl
Hercorhyncus (Hercorhyncus) tippanus Conrad 1860
172 specimens
Hercorhyncus (Hercorhyncus) tippanus Conrad
Drilluta distans (Conrad 1860)
150 specimens
Drilluta distans (Conrad)
Graphidula melanopsis Conrad 1860
85 specimens
Graphidula melanopsis (Conrad)
Graphidula terebriformis Stephenson 1941
6 specimens
Graphidula terebriformis Stephenson
Gastropoda - Neogastropoda - Buccinidae
? Odontobasis sulcata Sohl 1964
2 specimens
Odontobasis? sulcata Sohl
Hydrotribulus elegans Sohl 1964
20 specimens
Hydrotribulus elegans Sohl
Aliofusus stamineus Sohl 1964
1 specimen
Aliofusus stamineus Sohl
Buccinopsis solida Wade 1917
7 specimens
Buccinopsis solida (Wade)
Buccinopsis dorothiella Sohl 1964
2 specimens
Buccinopsis dorothiella Sohl
Ornopsis (Pornosis) modica Sohl 1964
15 specimens
Ornopsis (Pornosis) modica Sohl
Ornopsis (Pornosis) digressa (Wade 1926)
35 specimens
Ornopsis (Pornosis) digressa (Wade)
Stantonella ripleyana Conrad 1860
9 specimens
Stantonella ripleyana (Conrad)
Gastropoda - Neogastropoda - Melongenidae
Deussenia sp. Stephenson 1941
3 specimens
Deussenia sp.
Deussenia ripleyana Harbison 1945
96 specimens
Deussenia ripleyana Harbison
Pyrifusus subdensatus Conrad 1858
17 specimens
Pyrifusus subdensatus Conrad
Protobusycon binodosum Sohl 1964
1 specimen
Protobusycon binodosum Sohl
Gastropoda - Neogastropoda - Volutidae
Longoconcha quadrilirata Sohl 1964
24 specimens
Longoconcha quadrilirata Sohl
Volutomorpha sp. Gabb 1877
1 specimen
Volutomorpha sp. A Sohl 1960
Volutomorpha producta Sohl 1964
3 specimens
Volutomorpha producta Sohl
Volutomorpha aspera Dall 1907
1 specimen
"Volutomorpha" aspera Wade
Volutomorpha retifera Dall 1907
5 specimens
Volutomorpha retifera Dall
Volutomorpha valida Sohl 1964
3 specimens
Volutomorpha valida Sohl
Volutomorpha dumasensis Dall 1907
3 specimens
Volutomorpha dumasensis Dall
Liopeplum leioderma (Conrad 1860)
6 specimens
Liopeplum leioderma (Conrad)
Parafusus coloratus Wade 1917
3 specimens
Parafus coloratus Wade
Parafusus callilateris Wade 1917
2 specimens
Parafus callilateris Wade
Gastropoda - Neogastropoda - Pholidotomidae
Morea corsicanensis Stephenson 1941
13 specimens
Morea corsicanensis Stephenson
Morea marylandica Gardner 1916
98 specimens
Morea marylandica Gardner
Morea rotunda Sohl 1964
1 specimen
Morea rotunda Sohl
Gastropoda - Neogastropoda - Muricidae
Sargana stantoni Weller 1907
68 specimens
Sargana stantoni (Weller)
Lowenstamia liratus (Wade 1926)
13 specimens
recombined as Sohliina liratus
Lowenstamia liratus (Wade)
Gastropoda - Neogastropoda
Fulgerca ? attenuata (Wade 1926)
1 specimen
Fulgerca attenuata (Wade)?
Gastropoda - Neogastropoda - Turridae
Beretra gracilis Wade 1926
76 specimens
Beretra gracilis (Wade)
Amuletum macnairyensis
21 specimens
Amuletum macnairyensis torquatum Sohl
Amuletum wadei
6 specimens
Amuletum wadei Sohl
Amuletum dumasensis Sohl 1964
16 specimens
Amuletum dumasensis Sohl
Fusimilis kummeli Sohl 1964
15 specimens
Fusimilis kummeli Sohl
Gastropoda - Neogastropoda - Pyropsidae
Pyropsis cornutus Sohl 1964
5 specimens
Pyropsis cornutus Sohl
Gastropoda - Aporrhaidae
Pugnellus (Gymnarus) abnormalis (Wade 1926)
1 specimen
recombined as Bizarrus abnormalis
Pugnellus (Gymnarus) abnormalis Wade
Pugnellus goldmani
1 specimen
Pugnellus goldmani Gardner
Pugnellus (Pugnellus) densatus
12 specimens
Pugnellus (Pugnellus) densatus Conrad
Anchura abrupta
33 specimens
Anchura abrupta Conrad
Pterocerella sp. Meek 1864
1 specimen
Pterocerella sp. A Sohl 1960
Graciliala calcaris
288 specimens
Graciliala calcaris (Wade)
Drepanochilus triliratus
1 specimen
Drepanochilus triliratus Stephenson
Gastropoda - Procerithiidae
Nudivagus sp.
1 specimen
Nudivagus sp.
Gastropoda - Heterostropha - Mathildidae
Gegania bella
3 specimens
Gegania bella prodiga Sohl
? Mathilda (Mathilda) cedarensis Stephenson 1941
2 specimens
Mathilda (Mathilda?) cedarensis Stephenson
Gastropoda - Heterostropha - Pyramidellidae
Creonella triplicata Wade 1917
2 specimens
Creonella triplicata Wade
Creonella subangulata Sohl 1964
1 specimen
Creonella subangulata Sohl
Gastropoda - Heterostropha - Architectonicidae
Pseudomalaxis pilsbryi
7 specimens
Pseudomalaxis pilsbryi Harbison
Margaritella pumila
1 specimen
Margaritella pumila Stephenson
Gastropoda - Heterostropha - Acteonidae
Cylindrotruncatum demersum Sohl 1963
Cylindrotruncatum demersum Sohl
Gastropoda - Heterostropha - Ringiculidae
Oligoptycha corrugata Sohl 1964
3 specimens
Oligoptycha corrugata Sohl
Ringicula pulchella Shumard 1861
22 specimens
recombined as Ringicula (Ringicula) pulchella
Ringicula pulchella Shumard
Gastropoda - Eucyclidae
Calliomphalus (Calliomphalus) americanus
23 specimens
Calliomphalus (Calliomphalus) americanus Wade
Gastropoda - Vasidae
Lupira pyriformis Stephenson 1941
37 specimens
Lupira pyriformis Stephenson
Lupira turbinea Sohl 1964
Lupira turbinea Sohl
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna incisa Stephenson 1941
2 specimens
Cylichna incisa Stephenson
Cylichna intermissia Sohl 1964
1 specimen
Cylichna intermissia Sohl
see common names

Geography
Country:United States State/province:Mississippi County:Union
Coordinates: 34.5° North, 89.0° West (view map)
Paleocoordinates:38.1° North, 66.3° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Senonian
Key time interval:Early/Lower Maastrichtian Ammonoid zone: Nostoceras alternatum
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Ripley Member:Coon Creek Tongue
Stratigraphic resolution:group of beds
Stratigraphy comments: Ammonoid zone from Cobban 1974 and Cobban and Kennedy 1995. upper Coon creek
Lithology and environment
Primary lithology:glauconitic,gray silty,calcareous sandstone
Lithology description: Sand, blue-gray, silty, calcareous, micaceous, glaconitic, very fossiliferous.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Collection method comments: USGS 18078, 18629: L.C. Conant and A. Brown 1939, USGS 18616: L. W. Stephenson and W. H. Monroe 1940, USGS 25411: N.F. Sohl 1950-2, 1955
Metadata
Also known as:Scarped area N of dam of Union County lake, 1.1 miles NE of Pleasant ridge, Union Co., Miss.
Database number:7586
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Clapham Research group:GCP,marine invertebrate
Created:2000-07-18 12:00:01 Last modified:2017-07-04 12:57:13
Access level:the public Released:2000-07-18 12:00:01
Creative Commons license:CC BY
Reference information

Primary reference:

463. 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]

Secondary references:

29915 J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]