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Niobrara, USA

FormationNiobrara
Member(s)Fort Hays Limestone
Smoky Hill
Smoky Hill Chalk
Smoky Hill Shale
Age:83.5 - 70.6 Ma
Late/Upper Cretaceous
IntervalConiacian - Santonian
Lithologysandstone/"shale", "shale", chalk
Number of Collections6
Number of Occurrences22

Recorded Sample Locations

LocationRegionStratigraphic Name
Niobrara Formation EquivalentTeton County, Wyoming, USANiobrara
Pueblo SectionPueblo County, Colorado, USANiobrara - Smoky Hill Shale
USGS D11969Colfax County, New Mexico, USANiobrara - Fort Hays Limestone
USGS D11829Colfax County, New Mexico, USANiobrara - Fort Hays Limestone
USGS D12524Mora County, New Mexico, USANiobrara - Fort Hays Limestone
USGS D11967Colfax County, New Mexico, USANiobrara - Fort Hays Limestone
USGS D11971Colfax County, New Mexico, USANiobrara - Fort Hays Limestone
USGS D3646Colfax County, New Mexico, USANiobrara - Smoky Hill Shale
USGS D11598Colfax County, New Mexico, USANiobrara - Smoky Hill Shale
USGS D11425Colfax County, New Mexico, USANiobrara - Smoky Hill Shale
USGS D12526Mora County, New Mexico, USANiobrara - Smoky Hill Shale
USGS D11434Colfax County, New Mexico, USANiobrara - Smoky Hill Shale
USGS D11407Colfax County, New Mexico, USANiobrara - Smoky Hill Shale
Logan County [Smoky Hill Chalk MbrLogan County, Kansas, USANiobrara - Smoky Hill Chalk
HaysEllis County, Kansas, USANiobrara - Smoky Hill Chalk
Pueblo [Fort Hays LimestonePueblo County, Colorado, USANiobrara - Fort Hays Limestone
USGS Loc. D10408Cedar County, Nebraska, USANiobrara
1 mile W of BogueGraham County, Kansas, USANiobrara - Smoky Hill Chalk
USGS D9781Colfax County, New Mexico, USANiobrara
Elasmosaurus marshii type localityLogan County, Kansas, USANiobrara
Wallace County [non-specific data]Wallace County, Kansas, USANiobrara
Marindahl Dam [Smoky Hill Chalk MbrYankton County, South Dakota, USANiobrara - Smoky Hill Chalk
Lake McBride [Smoky Hill Chalk MbrScott County, Kansas, USANiobrara - Smoky Hill Chalk
Littleton [Smoky Hill Chalk MbrArapahoe County, Colorado, USANiobrara - Smoky Hill Chalk
Golden [Smoky Hill Chalk MbrJefferson County, Colorado, USANiobrara - Smoky Hill Chalk
AMNH no. 5555 specimenPierce County, Nebraska, USANiobrara - Smoky Hill
Conger RanchFall River County, South Dakota, USANiobrara
Coal Oil CanyonLogan County, Kansas, USANiobrara - Smoky Hill Chalk

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Niobrara - Fort Hays Limestone93.5 - 89.3 Ma
Late/Upper Cretaceous
limestone37
Niobrara - Smoky Hill83.6 - 72.1 Ma
Late/Upper Cretaceous
chalk3
Niobrara - Smoky Hill Chalk86.3 - 66.0 Ma
Late/Upper Cretaceous
lime mudstone, chalk15
Niobrara - Smoky Hill Shale83.5 - 70.6 Ma
Late/Upper Cretaceous
shale, "limestone", sandstone158
Colorado - Niobrara - Smoky Hill Chalk83.5 - 70.6 Ma
Late/Upper Cretaceous
chalk, "shale", "carbonate", mudstone, "limestone", "shale"/"limestone"127
Colorado - Niobrara - Smoky Hill Shale85.8 - 83.5 Ma
Late/Upper Cretaceous
shale, "limestone"42
Montana - Pierre Shale - Gammon Ferruginous83.5 - 70.6 Ma
Late/Upper Cretaceous
shale12
Montana - Pierre Shale - Sharon Springs83.5 - 70.6 Ma
Late/Upper Cretaceous
shale, "shale"/"limestone", "limestone"49

Recorded Fossils

Accepted NameHierarchyAge
Stramentum haworthi
species
7Animalia : Arthropoda : Maxillopoda : Lepadiformes : Stramentidae : Stramentum : Stramentum haworthi86.3 - 83.6 Ma
Late/Upper Cretaceous
Clupeomorpha
superorder
3.7Animalia : Chordata : Actinopteri : Clupeomorpha83.5 - 70.6 Ma
Late/Upper Cretaceous
Pachyrhizodus minimus
species
7Animalia : Chordata : Actinopteri : Crossognathiformes : Pachyrhizodontidae : Pachyrhizodus : Pachyrhizodus minimus83.5 - 70.6 Ma
Late/Upper Cretaceous
Ichthyodectidae
family
5Animalia : Chordata : Actinopteri : Ichthyodectiformes : Ichthyodectidae83.5 - 70.6 Ma
Late/Upper Cretaceous
Saurodontidae
family
5Animalia : Chordata : Actinopteri : Ichthyodectiformes : Saurodontidae83.5 - 70.6 Ma
Late/Upper Cretaceous
Acanthomorphata
unranked clade
99Animalia : Chordata : Actinopteri : Acanthomorphata83.5 - 70.6 Ma
Late/Upper Cretaceous
Cimolichthys nepaholica
species
7Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : Cimolichthys : Cimolichthys nepaholica83.5 - 70.6 Ma
Late/Upper Cretaceous
Enchodus petrosus
species
7Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : Enchodus : Enchodus petrosus83.5 - 70.6 Ma
Late/Upper Cretaceous
Enchodus shumardi
species
7Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : Enchodus : Enchodus shumardi83.5 - 70.6 Ma
Late/Upper Cretaceous
Bananogmius sp.
genus
6Animalia : Chordata : Actinopteri : Tselfatiiformes : Plethodidae : Bananogmius83.5 - 70.6 Ma
Late/Upper Cretaceous
Asarotus arcanus
species
7Animalia : Chordata : Actinopterygii : Asarotidae : Asarotus : Asarotus arcanus83.6 - 72.1 Ma
Late/Upper Cretaceous
Apateodus sp.
genus
6Animalia : Chordata : Actinopterygii : Apateodus83.5 - 70.6 Ma
Late/Upper Cretaceous
Apateodus busseni
species
7Animalia : Chordata : Actinopterygii : Apateodus : Apateodus busseni89.8 - 83.6 Ma
Late/Upper Cretaceous
Squalicorax kaupi
species
7Animalia : Chordata : Chondrichthyes : Lamniformes : Anacoracidae : Squalicorax : Squalicorax kaupi83.5 - 70.6 Ma
Late/Upper Cretaceous
Pteranodon sternbergi
species
7Animalia : Chordata : Reptilia : Pterosauria : Pteranodontidae : Pteranodon : Pteranodon sternbergi89.3 - 83.5 Ma
Late/Upper Cretaceous
Styxosaurus sp.
genus
6Animalia : Chordata : Reptilia : Sauropterygia : Elasmosauridae : Styxosaurus89.3 - 70.6 Ma
Late/Upper Cretaceous
Polycotylus latipinnis
species
7Animalia : Chordata : Reptilia : Polycotylidae : Polycotylus : Polycotylus latipinnis83.5 - 70.6 Ma
Late/Upper Cretaceous
Mosasauridae
family
5Animalia : Chordata : Reptilia : Squamata : Mosasauridae83.5 - 70.6 Ma
Late/Upper Cretaceous
Bothremydina
subtribe
5.6Animalia : Chordata : Reptilia : Testudines : Bothremydidae : Bothremydina89.8 - 83.6 Ma
Late/Upper Cretaceous
Chelosphargis advena
species
7Animalia : Chordata : Reptilia : Testudines : Protostegidae : Chelosphargis : Chelosphargis advena89.3 - 66 Ma
Late/Upper Cretaceous
Durania sp.
genus
6Animalia : Mollusca : Bivalvia : Hippuritida : Radiolitidae : Durania89.8 - 86.3 Ma
Late/Upper Cretaceous
Lucina sp.
genus
6Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Lucina85.8 - 83.5 Ma
Late/Upper Cretaceous
Cladoceramus undulatoplicatus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cladoceramus : Cladoceramus undulatoplicatus85.8 - 83.5 Ma
Late/Upper Cretaceous
Cordiceramus cordiformis
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Cordiceramus cordiformis85.8 - 83.5 Ma
Late/Upper Cretaceous
Cremnoceramus deformis
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cremnoceramus : Cremnoceramus deformis89.3 - 85.8 Ma
Late/Upper Cretaceous
Cremnoceramus deformis erectus
subspecies
7.3Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cremnoceramus : Cremnoceramus deformis : Cremnoceramus deformis erectus93.5 - 89.3 Ma
Late/Upper Cretaceous
Cremnoceramus rotundatus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cremnoceramus : Cremnoceramus rotundatus89.8 - 86.3 Ma
Late/Upper Cretaceous
Inoceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus93.9 - 89.8 Ma
Late/Upper Cretaceous
Inoceramus (Cordiceramus) sp.
subgenus
6.3Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Cordiceramus)93.5 - 89.3 Ma
Late/Upper Cretaceous
Inoceramus (Endocostea) balticus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Endocostea) balticus93.5 - 89.3 Ma
Late/Upper Cretaceous
Inoceramus (Platyceramus) sp.
subgenus
6.3Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Platyceramus)86.3 - 83.6 Ma
Late/Upper Cretaceous
Inoceramus (Sphenoceramus) sp.
subgenus
6.3Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Sphenoceramus)93.5 - 89.3 Ma
Late/Upper Cretaceous
Inoceramus (Sphenoceramus) lundbreckensis
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Sphenoceramus) lundbreckensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Inoceramus (Volviceramus) sp.
subgenus
6.3Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Volviceramus)89.8 - 86.3 Ma
Late/Upper Cretaceous
Magadiceramus subquadratus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Magadiceramus : Magadiceramus subquadratus89.3 - 85.8 Ma
Late/Upper Cretaceous
Mytiloides stantoni
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Mytiloides : Mytiloides stantoni85.8 - 83.5 Ma
Late/Upper Cretaceous
Platyceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Platyceramus89.3 - 85.8 Ma
Late/Upper Cretaceous
Platyceramus cycloides
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Platyceramus : Platyceramus cycloides86.3 - 83.6 Ma
Late/Upper Cretaceous
Platyceramus platinus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Platyceramus : Platyceramus platinus86.3 - 83.6 Ma
Late/Upper Cretaceous
Volviceramus involutus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Volviceramus : Volviceramus involutus89.3 - 85.8 Ma
Late/Upper Cretaceous
Pycnodonte sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Pycnodonte93.9 - 89.8 Ma
Late/Upper Cretaceous
Margostrea sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Margostrea93.9 - 89.8 Ma
Late/Upper Cretaceous
Ostrea sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea93.9 - 89.8 Ma
Late/Upper Cretaceous
Pseudoperna sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Pseudoperna86.3 - 83.6 Ma
Late/Upper Cretaceous
Phelopteria sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Phelopteria86.3 - 83.6 Ma
Late/Upper Cretaceous
Anomia sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae : Anomia85.8 - 83.5 Ma
Late/Upper Cretaceous
Phlycticrioceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Anisoceratidae : Phlycticrioceras89.8 - 86.3 Ma
Late/Upper Cretaceous
Phlycticrioceras trinodosus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Anisoceratidae : Phlycticrioceras : Phlycticrioceras trinodosus89.3 - 85.8 Ma
Late/Upper Cretaceous
Baculites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites93.9 - 89.8 Ma
Late/Upper Cretaceous
Baculites asper
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites asper89.3 - 85.8 Ma
Late/Upper Cretaceous
Baculites codyensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites codyensis86.3 - 83.6 Ma
Late/Upper Cretaceous
Baculites haresi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites haresi83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites yokoyamai
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites yokoyamai93.5 - 89.3 Ma
Late/Upper Cretaceous
Pseudobaculites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Pseudobaculites89.3 - 85.8 Ma
Late/Upper Cretaceous
Forresteria (Forresteria) hobsoni
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Forresteria : Forresteria (Forresteria) hobsoni93.5 - 89.3 Ma
Late/Upper Cretaceous
Prionocyclus sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Prionocyclus93.9 - 89.8 Ma
Late/Upper Cretaceous
Prionocyclus quadratus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Prionocyclus : Prionocyclus quadratus93.9 - 89.8 Ma
Late/Upper Cretaceous
Protexanites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Protexanites89.3 - 85.8 Ma
Late/Upper Cretaceous
Reginaites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Reginaites93.5 - 89.3 Ma
Late/Upper Cretaceous
Texanites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Texanites93.5 - 89.3 Ma
Late/Upper Cretaceous
Texanites (Texanites) americanus
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Texanites : Texanites (Texanites) americanus85.8 - 83.5 Ma
Late/Upper Cretaceous
Glyptoxoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Diplomoceratidae : Glyptoxoceras86.3 - 83.6 Ma
Late/Upper Cretaceous
Neocrioceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Diplomoceratidae : Neocrioceras89.8 - 86.3 Ma
Late/Upper Cretaceous
Placenticeras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Placenticeratidae : Placenticeras83.5 - 70.6 Ma
Late/Upper Cretaceous
Placenticeras syrtale
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Placenticeratidae : Placenticeras : Placenticeras syrtale85.8 - 83.5 Ma
Late/Upper Cretaceous
Clioscaphites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Clioscaphites86.3 - 83.6 Ma
Late/Upper Cretaceous
Clioscaphites saxitonianus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Clioscaphites : Clioscaphites saxitonianus85.8 - 83.5 Ma
Late/Upper Cretaceous
Clioscaphites vermiformis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Clioscaphites : Clioscaphites vermiformis85.8 - 83.5 Ma
Late/Upper Cretaceous
Scaphites (Scaphites) leei
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Scaphitidae : Scaphites : Scaphites (Scaphites) leei93.5 - 89.3 Ma
Late/Upper Cretaceous
Scaphites binneyi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites binneyi85.8 - 83.5 Ma
Late/Upper Cretaceous
Scaphites depressus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites depressus85.8 - 83.5 Ma
Late/Upper Cretaceous
Scaphites hippocrepis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites hippocrepis86.3 - 83.6 Ma
Late/Upper Cretaceous
Desmoscaphites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoscaphites93.5 - 89.3 Ma
Late/Upper Cretaceous
Haresiceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Haresiceras86.3 - 83.6 Ma
Late/Upper Cretaceous
Eutrephoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : Eutrephoceras93.9 - 89.8 Ma
Late/Upper Cretaceous
Niobrarateuthis bonneri
species
7Animalia : Mollusca : Cephalopoda : Vampyromorpha : Kelaenidae : Niobrarateuthis : Niobrarateuthis bonneri89.8 - 83.6 Ma
Late/Upper Cretaceous
Niobrarateuthis walkeri
species
7Animalia : Mollusca : Cephalopoda : Vampyromorpha : Kelaenidae : Niobrarateuthis : Niobrarateuthis walkeri89.8 - 83.6 Ma
Late/Upper Cretaceous
Foraminifera
phylum
2Foraminifera83.6 - 72.1 Ma
Late/Upper Cretaceous
Coccolithophorales
order
4Prymnesiophyta : Coccolithophorales83.6 - 72.1 Ma
Late/Upper Cretaceous
Minerisporites sp.
genus
6Plantae : Tracheophyta : Lycopodiopsida : Isoetales : Minerisporites89.8 - 83.6 Ma
Late/Upper Cretaceous

References

Williston S. W. (1906) North American plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus, The American Journal of Science, series 4 21, 221-236
Hay O. P. (1908) The fossil turtles of North America, Carnegie Institution of Washington Publication 75, 1-568
Miller H. W. (1957) Niobarateuthis bonneri, a new genus and species of squid from the Niobara Formation of Kansas, Journal of Paleontology 31 4, 809-814
Harksen J. C. (1966) Pteranodon sternbergi, a new fossil pterodactyl from the Niobrara Cretaceous of Kansas, Proceedings of the South Dakota Academy of Science 45, 74-77
Schaeffer B. (1968) A new actinopterygian fish from the Cretaceous of North America, American Museum Novitates 2344, 1-10
Tschudy R. H. (1976) Stratigraphic Distribution of Species of the Megaspore Genus Minerisporites in North America, United States Geological Survey Professional Paper 743-E, E1-E11
Green R. G. (1977) Niobrarateuthis walker, a new species of teuthid from the Upper Cretaceous Niobrara Formation of Kansas, Journal of Paleontology 51 5, 992-995
Stevenson R. E. (1979) Attachment sites of a stalked cirriped in the Cretaceous Niobrara Sea, Proceedings of the South Dakota Academy of Science 58, 21-29
Cobban W. A. (1983) Molluscan fossil record from the northeastern part of the Upper Cretaceous seaway, Western Interior, United States Geological Survey Professional Paper 1253, 1-25
Scott G. R., Cobban W. A., et al (1986) Stratigraphy of the Upper Cretaceous Niobrara Formation in the Raton basin, New Mexico, New Mexico Bureau of Mines and Mineral Resources Bulletin 115, 1-34
Walaszczyk I., Cobban W. A. (2006) Palaeontology and stratigraphy of the Middle-Upper Coniacian and Santonian inoceramids of the US Western Interior, Acta Geologica Polonica 56 3, 241-348
Walaszczyk I., Cobban W. A. (2007) Inoceramid fauna and biostratigraphy of the upper Middle Coniacian-lower Middle Santonian of the Pueblo Section (SE Colorado, US Western Interior), Cretaceous Research 28, 132-142
Fielitz C., Shimada K. (2009) A new species of Apateodus (Teleostei: Aulopiformes) from the upper Cretaceous Niobrara Chalk of western Kansas, USA, Journal of Vertebrate Paleontology 29 3, 650-658
Gaffney E. S., Hooks III G. E., et al (2009) New material of North American side-necked turtles (Pleurodira: Bothremydidae), American Museum Novitates 3655, 1-26
Schumacher B. A., Martin J. E. (2016) Polycotylus latipinnis Cope (Plesiosauria, Polycotylidae), a nearly complete skeleton from the Niobrara Formation (Early Campanian) of southwestern South Dakota, Journal of Vertebrate Paleontology 36 1, e1031341:1-15
Mertz D. A. A. (2017) Phylogeny, diversity, and ecology of the ammonoid superfamily Acanthoceratoidea through the Cenomanian and Turonian, 1-111
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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