USGS 612, Houlka Creek: Late/Upper Maastrichtian, Mississippi
collected by T.W. Stanton

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster sp. Agassiz and Desor 1847
Sohl and Koch 1983
Hemiaster sp.
Hemiaster wetherbyi de Loriol 1887
unclassified
Vertebrata indet. Lamarck 1801
Sohl and Koch 1983
Fish and Shark parts
Cephalopoda - Ammonitida - Diplomoceratidae
Solenoceras sp. Conrad 1860
Sohl and Koch 1983 7 specimens
Solenoceras sp.
Diplomoceras trabeatus
Sohl and Koch 1983 6 specimens
Diplomoceras trabeatus (Morton)
Cephalopoda - Ammonitida - Baculitidae
Baculites tippahensis
Sohl and Koch 1983 10 specimens
Baculites tippahensis Conrad
Baculites (Eubaculites) carinatus Morton 1834
Sohl and Koch 1983 19 specimens
recombined as Eubaculites carinatus
Baculites (Eubaculites) carinatus
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites sp. Meek 1870
Sohl and Koch 1983 1 specimen
Discoscaphites sp.
Discoscaphites conradi (Morton 1834)
Sohl and Koch 1983 10 specimens
Discoscaphites conradi (Morton) va
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras perlata (Morton 1834)
Sohl and Koch 1983 7 specimens
recombined as Eutrephoceras perlatus
Eutrephoceras perlata Morton
Cephalopoda - Belemnitida - Belemnitellidae
Belemnitella americana
Sohl and Koch 1983 2 specimens
Belemnitella americana (Morton)
Gastropoda - Opisthobranchia - Scaphandridae
Ellipsoscapha sp. Stephenson 1941
Sohl and Koch 1983 1 specimen
Ellipsoscapha ? sp.
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
Sohl and Koch 1983 2 specimens
Turritella sp.
Gastropoda - Epitoniidae
Striaticostatum sillimani (Morton 1834)
Sohl and Koch 1983 4 specimens
original and current combination Epitonium sillimani
Striaticostatum sillimani (Morton)
Gastropoda - Naticidae
Gyrodes petrosus
Sohl and Koch 1983 11 specimens
Gyrodes petrosus (Morton)
Gyrodes spillmani Gabb 1861
Sohl and Koch 1983 1 specimen
recombined as Gyrodes (Sohlella) spillmani
Gyrodes spillmani Gabb
Gastropoda - Neogastropoda - Fasciolariidae
Anomalofusus sp. Wade 1916
Sohl and Koch 1983 1 specimen
Anomalofusus sp.
Graphidula sp. Stephenson 1941
Sohl and Koch 1983 3 specimens
Graphidula sp.
? Drilluta sp. Wade 1916
Sohl and Koch 1983 2 specimens
Drilluta ? sp. - originally entered as "Drilluta ? sp."
Gastropoda - Neogastropoda - Buccinidae
? Hydrotribulus sp. Wade 1916
Sohl and Koch 1983 1 specimen
Hydeotribulus ? sp. - originally entered as "Hydeotribulus ? sp."
Ornopsis (Pornosis) sp. Wade 1916
Sohl and Koch 1983 1 specimen
Ornopsis (Pornosis?) s.
Gastropoda - Neogastropoda - Melongenidae
Pyrifusus sp. Conrad 1858
Sohl and Koch 1983 1 specimen
Pyrifusus sp.
Gastropoda - Neogastropoda - Turbinellidae
Napulus sp. Stephenson 1941
Sohl and Koch 1983 8 specimens
Napulus sp.
Gastropoda - Neogastropoda - Volutidae
Longoconcha sp. Stephenson 1941
Sohl and Koch 1983 1 specimen
Longoconcha spp.
Gastropoda - Neogastropoda - Muricidae
Lowenstamia cf. subplanus
Sohl and Koch 1983 1 specimen
Lowenstamia cf. L. subplanus (Gabb - originally entered as "Lowenstamia cf. subplanus"
Gastropoda - Aporrhaidae
Pugnellus sp. Conrad 1860
Sohl and Koch 1983 1 specimen
originally entered as "Pugnellus "
Pterocerella sp. Meek 1864
Sohl and Koch 1983 1 specimen
Pterocerella sp.
Bivalvia - Nuculida - Nuculidae
Nucula perequalis
Sohl and Koch 1983 2 specimens
Nucula perequalis Conrad?
Bivalvia - Mytilida - Mytilidae
Botula ripleyana
Sohl and Koch 1983 5 specimens
Botula ripleyana (Gabb)
Bivalvia - Myalinida - Inoceramidae
Inoceramus (Inoceramus) sp. Sowerby 1814
Sohl and Koch 1983 2 specimens
Inoceramus (Inoceramus) sp.
Bivalvia - Pectinida - Pectinidae
Pecten (Pecten) venustus
Sohl and Koch 1983 1 specimen
Pecten (Pecten?) venustus Morton
Bivalvia - Pectinida - Neitheidae
Neithea (Neitheops) sp. (Stewart 1930)
Sohl and Koch 1983 5 specimens
original and current combination Neitheops
Neithea (Neitheops) sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
Sohl and Koch 1983 4 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Plicatulidae
Plicatula (Plicatula) mullicaensis
Sohl and Koch 1983 7 specimens
Plicatula (Plicatula) mullicaensis
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
Sohl and Koch 1983 9 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Gryphaeostrea vomer (Morton 1828)
Sohl and Koch 1983 12 specimens
Gryphaeostrea vomer Morton
Pycnodonte vesicularis (Lamarck 1806)
Sohl and Koch 1983 9 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
Sohl and Koch 1983 24 specimens
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
Sohl and Koch 1983 10 specimens
Cardium sp.
Bivalvia - Cardiida - Tellinidae
Linearia pectinis
Sohl and Koch 1983 3 specimens
original and current combination Linearis
Linearia pectinis Stephenson
Bivalvia - Cardiida - Veneridae
Legumen ellipticum
Sohl and Koch 1983 2 specimens
Legumen ellipticum Conrad
Bivalvia - Cardiida - Arcticidae
Veniella conradi Morton 1833
Sohl and Koch 1983 3 specimens
Veniella conradi (Morton)
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
Sohl and Koch 1983 7 specimens
Liopistha protexta Conrad
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
Sohl and Koch 1983 4 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) eufaulensis (Gabb 1860)
Sohl and Koch 1983 2 specimens
Pterotrigonia (Scabrotrigonia) euf
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Sohl and Koch 1983
Clione sp.
see common names

Geography
Country:United States State/province:Mississippi County:Chickasaw
Coordinates: 33.9° North, 89.0° West (view map)
Paleocoordinates:37.5° North, 66.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Late/Upper Senonian
*International age/stage:Middle - Late/Upper Maastrichtian
Key time interval:Late/Upper Maastrichtian Ammonoid zone: Discoscaphites conradi
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Prairie Bluff Member:lower
Stratigraphic resolution:group of beds
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology:glauconitic,gray lithified lime mudstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original calcite
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:paleoecologic analysis
Museum repositories:USNM
Collectors:T.W. Stanton
Metadata
Also known as:Sohl and Koch OFR # 66
Database number:4142
Authorizer:M. Kosnik, W. Kiessling Enterer:M. Kosnik, U. Merkel
Modifier:M. Clapham Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2018-11-17 21:24:11
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
26335.1% 20600C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]

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]
283 N. F. Sohl and C. F. Koch. 1983. Upper Cretaceous (Maestrichtian) Mollusca from the Haustator bilira Assemblage Zone in the East Gulf Coastal Plain. USGS Open File Report 83-451:1-239 [M. Kosnik/M. Kosnik/M. Uhen]