Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography
BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

White River - Chadron, USA

GroupWhite River
FormationChadron
Member(s)Big Cottonwood Creek
Age:37.2 - 33.9 Ma
Paleogene
IntervalChadronian
Lithologytuff
Number of Collections2
Number of Occurrences40

Recorded Sample Locations

LocationRegionStratigraphic Name
McCarty's MountainMadison County, Montana, USAWhite River - Chadron
Turkeyfoot East HighSioux County, Nebraska, USAWhite River - Chadron - Big Cottonwood Creek
SW of Seaman HillsNiobrara County, Wyoming, USAWhite River - Chadron

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
White River - Brule - Orella33.9 - 33.3 Ma
Oligocene
siliciclastic6
White River - Chadron - Big Cottonwood Creek37.2 - 33.9 Ma
Paleogene
siliciclastic6

Recorded Fossils

Accepted NameHierarchyAge
Agriochoerus minimus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Anoplotheriidae : Agriochoerus : Agriochoerus minimus37.2 - 33.9 Ma
Paleogene
Leptomerycidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae37.2 - 33.9 Ma
Paleogene
Leptomeryx speciosus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae : Leptomeryx : Leptomeryx speciosus37.2 - 33.9 Ma
Paleogene
Bathygenys alpha
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Bathygenys : Bathygenys alpha37.2 - 33.9 Ma
Paleogene
Limnenetes platyceps
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Limnenetes : Limnenetes platyceps37.2 - 33.9 Ma
Paleogene
Merycoidodontidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae37.2 - 33.9 Ma
Paleogene
Oreonetes anceps
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Oreonetes : Oreonetes anceps37.2 - 33.9 Ma
Paleogene
Montanatylopus matthewi
species
7Animalia : Chordata : Mammalia : Artiodactyla : Oromerycidae : Montanatylopus : Montanatylopus matthewi37.2 - 33.9 Ma
Paleogene
Daphoenictis sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Daphoenictis37.2 - 33.9 Ma
Paleogene
Hesperocyon sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Canidae : Hesperocyon37.2 - 33.9 Ma
Paleogene
Miacis sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Miacidae : Miacis37.2 - 33.9 Ma
Paleogene
Hyaenodon sp.
genus
6Animalia : Chordata : Mammalia : Hyaenodontidae : Hyaenodon37.2 - 33.9 Ma
Paleogene
Megalagus sp.
genus
6Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Megalagus37.2 - 33.9 Ma
Paleogene
Palaeolagus sp.
genus
6Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus37.2 - 33.9 Ma
Paleogene
Centetodon magnus
species
7Animalia : Chordata : Mammalia : Lipotyphla : Geolabididae : Centetodon : Centetodon magnus37.2 - 33.9 Ma
Paleogene
Copedelphys titanelix
species
7Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Copedelphys : Copedelphys titanelix37.2 - 33.9 Ma
Paleogene
Didelphys valens
species
7Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Herpetotherium : Didelphys valens37.2 - 33.9 Ma
Paleogene
Apternodus baladontus
species
7Animalia : Chordata : Mammalia : Apternodontidae : Apternodus : Apternodus baladontus37.2 - 33.9 Ma
Paleogene
Epoicotherium unicum
species
7Animalia : Chordata : Mammalia : Epoicotheriidae : Epoicotherium : Epoicotherium unicum37.2 - 33.9 Ma
Paleogene
Micropternodus sp.
genus
6Animalia : Chordata : Mammalia : Micropternodontidae : Micropternodus37.2 - 33.9 Ma
Paleogene
Cryptoryctes kayi
species
7Animalia : Chordata : Mammalia : Proscalopidae : Cryptoryctes : Cryptoryctes kayi37.2 - 33.9 Ma
Paleogene
Brontotheriidae
family
5Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae37.2 - 33.9 Ma
Paleogene
Mesohippus sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Mesohippus37.2 - 33.9 Ma
Paleogene
Hyracodon priscidens
species
7Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : Hyracodon : Hyracodon priscidens37.2 - 33.9 Ma
Paleogene
Triplopides rieli
species
7Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : Triplopides : Triplopides rieli37.2 - 33.9 Ma
Paleogene
Caenopus dakotensis
species
7Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Penetrigonias : Caenopus dakotensis37.2 - 33.9 Ma
Paleogene
Rhinocerotidae
family
5Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae37.2 - 33.9 Ma
Paleogene
Colodon cingulatus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Helaletidae : Colodon : Colodon cingulatus37.2 - 33.9 Ma
Paleogene
Ardynomys occidentalis
species
7Animalia : Chordata : Mammalia : Rodentia : Cylindrodontidae : Ardynomys : Ardynomys occidentalis37.2 - 33.9 Ma
Paleogene
Cylindrodon sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Cylindrodontidae : Cylindrodon37.2 - 33.9 Ma
Paleogene
Pseudocylindrodon medius
species
7Animalia : Chordata : Mammalia : Rodentia : Cylindrodontidae : Pseudocylindrodon : Pseudocylindrodon medius37.2 - 33.9 Ma
Paleogene
Centimanomys gigantus
species
7Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Centimanomys : Centimanomys gigantus37.2 - 33.9 Ma
Paleogene
Paradjidaumo sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Paradjidaumo37.2 - 33.9 Ma
Paleogene
Paradjidaumo trilophus
species
7Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Paradjidaumo : Paradjidaumo trilophus37.2 - 33.9 Ma
Paleogene
Heliscomys ostranderi
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Heliscomys : Heliscomys ostranderi37.2 - 33.9 Ma
Paleogene
Ischyromys douglassi
species
7Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Ischyromys : Ischyromys douglassi37.2 - 33.9 Ma
Paleogene
Helodermoides tuberculatus
species
7Animalia : Chordata : Reptilia : Squamata : Anguidae : Helodermoides : Helodermoides tuberculatus37.2 - 33.9 Ma
Paleogene
Gopherus laticuneus
species
7Animalia : Chordata : Reptilia : Testudines : Testudinidae : Gopherus : Gopherus laticuneus37.2 - 33.9 Ma
Paleogene
Stylemys nebrascensis
species
7Animalia : Chordata : Reptilia : Testudines : Testudinidae : Stylemys : Stylemys nebrascensis37.2 - 33.9 Ma
Paleogene
Testudinidae
family
5Animalia : Chordata : Reptilia : Testudines : Testudinidae37.2 - 33.9 Ma
Paleogene

References

Douglass E. (1905) The Tertiary of Montana, Memoirs of the Carnegie Museum 2 5, 203-221
Hay O. P. (1906) Descriptions of new species of turtles of the genus Testudo, collected from the Miocene by the Carnegie Museum; together with a description of the skull of Stylemys nebrascensis, Annals of Carnegie Museum 4, 15-20
Simpson G. G. (1927) A North American Oligocene edentate, Annals of Carnegie Museum 17 2, 283-299
Gilmore C. W. (1928) Fossil lizards of North America, Memoirs of the National Academy of Sciences 22 3, 1-201
Burke J. J. (1936) Ardynomys and Desmatolagus in the North American Oligocene, Annals of Carnegie Museum 25, 133-154
Schultz C. B., Falkenbach C. H. (1956) Miniochoerinae and Oreonetinae two new subfamilies of oreodonts, Bulletin of the American Museum of Natural History 109 4, 373-482
Radinsky L. B. (1963) Origin and Early Evolution of North American Tapiroidea, Peabody Museum of Natural History Bulletin 17, 1-118
Reed C. A., Turnbull W. D. (1965) The Mammalian Genera Arctoryctes and Cryptoryctes From the Oligocene and Miocene of North America, Fieldiana 15 2
Radinsky L. B. (1967) A Review of the Rhinocerotoid Family Hyracodontidae (Perissodactyla), Bulletin of the American Museum of Natural History 136 1, 1-46
Black C. C. (1968) The Oligocene rodent Ischyromys and discussion of the family Ischyromyidae, Annals of Carnegie Museum 39 18
Wilson J. A. (1971) Early Tertiary vertebrate faunas, Vieja Group. Trans-Pecos Texas: Agriochoeridae and Merycoidodontidae, Texas Memorial Museum Bulletin 18, 1-83
Sullivan R. M. (1979) Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae), Bulletin of the American Museum of Natural History 163 1, 1-72
Wood A. E. (1980) The Oligocene Rodents of North America, Transactions of the American Philosophical Society 70 5, 1-68
Prothero D. R. (1986)  A New Oromerycid (Mammalia, Artiodactyla) from the Early Oligocene of Montana, Journal of Paleontology 60 2, 458-465
Prothero D. R. (1996) Hyracodontidae, The Terrestrial Eocene-Oligocene Transition in North America, 652-663
Tabrum A. R., Prothero D. R., et al (1996) Magnetostratigraphy and biostratigraphy of the Eocene-Oligocene transition, southwestern Montana, The Terrestrial Eocene-Oligocene Transition in North America, 278-311
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
Asher R. J., McKenna M. C., et al (2002) Morphology and relationships of Apternodus and other extinct, zalambdodont, placental mammals, Bulletin of the American Museum of Natural History 273, 1-117
Prothero D. R. (2005) The Evolution of North American Rhinoceroses, 1-218
Ehret D. J. (2007) Skeletochronology: a method for determing the individual age and growth of modern and fossil tortoises (Reptilia: Testudines), Bulletin of the Florida Museum of Natural History 47 2, 49-72
Korth W. W. (2012) Two new eomyid rodents (Mammalia) from the Chadronian (latest Eocene) of Montana and Wyoming, Paludicola 9 1, 7-12
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!
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 1, 2024 16:50:06
Go to top of page