BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Colorado - Greenhorn Limestone - Lincoln Limestone, USA

Group	Colorado
Formation	Greenhorn Limestone
Member	Lincoln Limestone
Age:	99.6 - 93.5 Ma Late/Upper Cretaceous
Interval	Middle Cenomanian - Late Cenomanian
Lithology	grainstone, sandstone
Number of Collections	3
Number of Occurrences	58

Recorded Sample Locations

Location	Region	Stratigraphic Name
Comanche National Grassland	Baca County, Colorado, USA	Colorado - Greenhorn Limestone - Lincoln Limestone
NW Russell County	Russell County, Kansas, USA	Colorado - Greenhorn Limestone - Lincoln Limestone
2 miles west of Holyrood	Ellsworth County, Kansas, USA	Colorado - Greenhorn Limestone - Lincoln Limestone

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Vertebrata subphylum	2.3	Animalia : Chordata : Vertebrata	99.6 - 93.5 Ma Late/Upper Cretaceous
Albulidae family	5	Animalia : Chordata : Actinopterygii : Albuliformes : Albulidae	99.6 - 93.5 Ma Late/Upper Cretaceous
Pachyrhizodus minimus species	7	Animalia : Chordata : Actinopteri : Crossognathiformes : Pachyrhizodontidae : Pachyrhizodus : *Pachyrhizodus minimus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Xiphactinus audax species	7	Animalia : Chordata : Actinopteri : Ichthyodectiformes : Ichthyodectidae : Xiphactinus : *Xiphactinus audax*	99.6 - 93.5 Ma Late/Upper Cretaceous
Teleostei unranked clade	99	Animalia : Chordata : Actinopteri : Teleostei	99.6 - 93.5 Ma Late/Upper Cretaceous
Protosphyraena sp. genus	6	Animalia : Chordata : Actinopteri : Pachycormiformes : Pachycormidae : *Protosphyraena*	99.6 - 93.5 Ma Late/Upper Cretaceous
Pycnodontes family	5	Animalia : Chordata : Actinopterygii : Pycnodontes	99.6 - 93.5 Ma Late/Upper Cretaceous
Enchodus sp. genus	6	Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : *Enchodus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Enchodus gladiolus species	7	Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : Enchodus : *Enchodus gladiolus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Enchodus shumardi species	7	Animalia : Chordata : Actinopteri : Salmoniformes : Enchodontidae : Enchodus : *Enchodus shumardi*	99.6 - 93.5 Ma Late/Upper Cretaceous
Aves class	3	Animalia : Chordata : Aves	99.6 - 93.5 Ma Late/Upper Cretaceous
Baptornithidae family	5	Animalia : Chordata : Aves : Hesperornithiformes : Baptornithidae	99.6 - 93.5 Ma Late/Upper Cretaceous
Ichthyornithiformes order	4	Animalia : Chordata : Aves : Ichthyornithiformes	99.6 - 93.5 Ma Late/Upper Cretaceous
Elasmobranchii class	3	Animalia : Chordata : Elasmobranchii	99.6 - 93.5 Ma Late/Upper Cretaceous
Ptychodus anonymus species	7	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Ptychodontidae : Ptychodus : *Ptychodus anonymus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Ptychodus decurrens species	7	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Ptychodontidae : Ptychodus : *Ptychodus decurrens*	99.6 - 93.5 Ma Late/Upper Cretaceous
Ptychodus occidentalis species	7	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Ptychodontidae : Ptychodus : *Ptychodus occidentalis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Lamniformes order	4	Animalia : Chordata : Elasmobranchii : Lamniformes	99.6 - 93.5 Ma Late/Upper Cretaceous
Squalicorax curvatus species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Anacoracidae : Squalicorax : *Squalicorax curvatus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Squalicorax falcatus species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Anacoracidae : Squalicorax : *Squalicorax falcatus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Squalicorax volgensis species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Anacoracidae : Squalicorax : *Squalicorax volgensis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Archaeolamna sp. genus	6	Animalia : Chordata : Chondrichthyes : Lamniformes : Archaeolamnidae : *Archaeolamna*	99.6 - 93.5 Ma Late/Upper Cretaceous
Cretodus semiplicatus species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Cretoxyrhinidae : Cretodus : *Cretodus semiplicatus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Cretolamna appendiculata species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Cretoxyrhinidae : Cretolamna : *Cretolamna appendiculata*	99.6 - 93.5 Ma Late/Upper Cretaceous
Cretoxyrhina mantelli species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Cretoxyrhinidae : Cretoxyrhina : *Cretoxyrhina mantelli*	99.6 - 93.5 Ma Late/Upper Cretaceous
Carcharias sp. genus	6	Animalia : Chordata : Elasmobranchii : Lamniformes : Odontaspididae : *Carcharias*	99.6 - 93.5 Ma Late/Upper Cretaceous
Pseudoisurus tomosus species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Odontaspididae : Pseudoisurus : *Pseudoisurus tomosus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Cretomanta canadensis species	7	Animalia : Chordata : Chondrichthyes : Cretomanta : *Cretomanta canadensis*	99.6 - 93.5 Ma Late/Upper Cretaceous
Rhinobatos sp. genus	6	Animalia : Chordata : Chondrichthyes : Rajiformes : Rhinobatidae : *Rhinobatos*	99.6 - 93.5 Ma Late/Upper Cretaceous
Rhinobatos incertus species	7	Animalia : Chordata : Chondrichthyes : Rajiformes : Rhinobatidae : Rhinobatos : *Rhinobatos incertus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Pterodactyloidea suborder	4.3	Animalia : Chordata : Reptilia : Pterosauria : Pterodactyloidea	99.6 - 93.5 Ma Late/Upper Cretaceous
Elasmosauridae family	5	Animalia : Chordata : Reptilia : Sauropterygia : Brimosaurus : Elasmosauridae	99.6 - 93.5 Ma Late/Upper Cretaceous
Plesiosauria unranked clade	99	Animalia : Chordata : Reptilia : Sauropterygia : Plesiosauria	99.6 - 93.5 Ma Late/Upper Cretaceous
Brachauchenius sp. genus	6	Animalia : Chordata : Reptilia : Pliosauridae : *Brachauchenius*	99.6 - 93.5 Ma Late/Upper Cretaceous
Brachauchenius lucasi species	7	Animalia : Chordata : Reptilia : Pliosauridae : Brachauchenius : *Brachauchenius lucasi*	99.6 - 93.5 Ma Late/Upper Cretaceous
Trinacromerum sp. genus	6	Animalia : Chordata : Reptilia : Polycotylidae : *Trinacromerum*	99.6 - 93.5 Ma Late/Upper Cretaceous
Coniasaurus crassidens species	7	Animalia : Chordata : Reptilia : Squamata : Dolichosauridae : Coniasaurus : *Coniasaurus crassidens*	99.6 - 93.5 Ma Late/Upper Cretaceous
Inoceramus sp. genus	6	Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : *Inoceramus*	99.6 - 93.5 Ma Late/Upper Cretaceous
Ostrea beloiti species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostrea beloiti*	99.6 - 93.5 Ma Late/Upper Cretaceous
Calycoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : *Calycoceras*	99.6 - 93.5 Ma Late/Upper Cretaceous
Eucalycoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : *Eucalycoceras*	99.6 - 93.5 Ma Late/Upper Cretaceous

References

Shimada K., Parkin J. A., et al (2003) Late Cretaceous marine vertebrates from the basal Greenhorn Limestone in southeastern Colorado, Journal of Vertebrate Paleontology 23 3, 96A

Liggett G. A., Shimada K., et al (2005) Cenomanian (Late Cretaceous) reptiles from northwestern Russell County, Kansas, PaleoBios 25, 9-17

Everhart M. J. (2007) Use of archival photographs to rediscover the locality of the Holyrood elasmosaur (Ellsworth County, Kansas), Transactions of the Kansas Academy of Science 110 1-2, 135-143

Everhart M. J., Bell A. (2009) A Hesperornithiform Limb Bone from the Basal Greenhorn Formation (Late Cretaceous; Middle Cenomanian) of North Central Kansas, Journal of Vertebrate Paleontology 29 3, 952-956

Bell A., Everhart M. J. (2011) Remains of small ornithurine birds from a Late Cretaceous (Cenomanian) microsite in Russell County, north-central Kansas, Transactions of the Kansas Academy of Science 114 1-2, 115-123 doi:10.1660/062.114.0111

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!

Quick NavTop Recorded Sample Locations Recorded Fossils References