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Arikaree, USA

FormationArikaree
Member(s)basal
Age:20.4 - 5.3 Ma
Miocene
IntervalWhitneyan - Monroecreekian
Lithologysiliciclastic
Number of Collections26
Number of Occurrences278

Recorded Sample Locations

LocationRegionStratigraphic Name
PITA FlatsSlope County, North Dakota, USAArikaree
Medicine Rocks Site IIICarter County, Montana, USAArikaree - basal
Chimney Rock Morrill County, Nebraska, USAArikaree
Killdeer MountainsDunn County, North Dakota, USAArikaree
Barwin Quarry Natrona County, Wyoming, USAArikaree
LedgeFremont County, Wyoming, USAArikaree
Summit Pass oreodontHarding County, South Dakota, USAArikaree

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Arikaree - basal30.8 - 20.4 Ma
Cenozoic
2
Ash Hollow10.3 - 4.90 Ma
Neogene
siliciclastic231
Aycross50.3 - 46.2 Ma
Eocene
sandstone146
Brule33.3 - 30.8 Ma
Oligocene
sandstone162
Brule - Brown Siltstone30.8 - 20.4 Ma
Cenozoic
47
Brule - lower33.9 - 33.3 Ma
Oligocene
38
Brule - upper Whitney30.8 - 20.4 Ma
Cenozoic
36
Brule - Whitney30.8 - 20.4 Ma
Cenozoic
141
Brule - Whitney A33.3 - 30.8 Ma
Oligocene
16
Chadron37.2 - 33.9 Ma
Paleogene
claystone, "siliciclastic", "limestone", "volcaniclastic"132
Fort Union - Ekalaka63.3 - 61.7 Ma
Paleocene
sandstone37
Fort Union - Shotgun56.8 - 55.8 Ma
Paleogene
69
Gering30.8 - 26.3 Ma
Oligocene
29
Gering - Gering A30.8 - 26.3 Ma
Oligocene
24
Gering - Unit B30.8 - 26.3 Ma
Oligocene
41
Gering - Unit C30.8 - 26.3 Ma
Oligocene
21
Gering - Unit D30.8 - 26.3 Ma
Oligocene
10
Indian Meadows55.8 - 50.3 Ma
Eocene
23
Kildeer20.4 - 16.0 Ma
Miocene
1
Killdeer30.8 - 20.4 Ma
Cenozoic
1
Lower Variegated Sequence - basal55.8 - 50.3 Ma
Eocene
7
Ludlow - lower66.0 - 63.3 Ma
Paleocene
3
Ludlow - upper63.3 - 61.7 Ma
Paleocene
2
Mesaverde66.0 - 56.0 Ma
Paleocene
sandstone, conglomerate/sandstone, sandstone/lignite, "shale"99
Middle Variegated Sequence55.8 - 50.3 Ma
Eocene
6
Ogallala5.33 - 2.59 Ma
Cenozoic
siltstone, sandstone/claystone, sandstone/siltstone, sandstone, marl, gravel277
Runningwater20.4 - 16.0 Ma
Miocene
sandstone, sandstone/conglomerate315
Split Rock16.0 - 5.33 Ma
Miocene
11
Tepee Trail - Unit 2446.2 - 40.4 Ma
Eocene
32
Tepee Trail - Unit 3046.2 - 40.4 Ma
Eocene
1
Tongue River61.7 - 56.8 Ma
Paleocene
76
top of Lower Variegated Sequence55.8 - 50.3 Ma
Eocene
3
Upper Variegated Sequence55.8 - 50.3 Ma
Eocene
8
Wagon Bed - Unit 350.3 - 46.2 Ma
Eocene
3
Wagon Bed - Unit 546.2 - 40.4 Ma
Eocene
7
Wagon Bed ("Tepee Trail") - Green and Brown46.2 - 40.4 Ma
Eocene
10
Wagon Bed ("Tepee Trail") - Hendry Ranch46.2 - 40.4 Ma
Eocene
4
Wagon Bed ("Tepee Trail") - lower Hendry Ranch46.2 - 40.4 Ma
Eocene
147
Wagon Bed ("Tepee Trail") - upper Hendry Ranch40.4 - 37.2 Ma
Eocene
79
Wasatch55.8 - 50.3 Ma
Eocene
182
White River30.8 - 20.4 Ma
Cenozoic
mudstone, siltstone, sandstone329
White River - Beaver Divide Conglomerate37.2 - 33.9 Ma
Paleogene
1
White River - Big Sand Draw Sandstone Lentil37.2 - 33.9 Ma
Paleogene
9
White River - lower37.2 - 33.9 Ma
Paleogene
11
White River - upper37.2 - 33.3 Ma
Paleogene
21
Wiggins46.2 - 40.4 Ma
Eocene
35
Wind River48.6 - 37.2 Ma
Eocene
440
Wind River - Lost Cabin50.3 - 46.2 Ma
Eocene
mudstone403
Wind River - Lysite55.8 - 50.3 Ma
Eocene
31
Wind River - Red Creek Facies55.8 - 50.3 Ma
Eocene
116

Recorded Fossils

Accepted NameHierarchyAge
Mammalia
class
3Animalia : Chordata : Mammalia20.43 - 15.97 Ma
Miocene
Elomeryx armatus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Anthracotheriidae : Elomeryx : Elomeryx armatus33.3 - 24.8 Ma
Oligocene
Antilocapridae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae20.43 - 15.97 Ma
Miocene
Cosoryx sabulonis
species
7Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Merycodus : Cosoryx sabulonis20.43 - 15.97 Ma
Miocene
Cosoryx wilsoni
species
7Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Paracosoryx : Cosoryx wilsoni20.43 - 15.97 Ma
Miocene
Blickomylus galushai
species
7Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Blickomylus : Blickomylus galushai20.43 - 15.97 Ma
Miocene
Camelidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Camelidae20.43 - 15.97 Ma
Miocene
Oxydactylus longipes
species
7Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Oxydactylus : Oxydactylus longipes20.43 - 15.97 Ma
Miocene
Protolabis sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Protolabis20.43 - 15.97 Ma
Miocene
Protolabis heterodontus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Protolabis : Protolabis heterodontus20.43 - 15.97 Ma
Miocene
Entelodontidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae30.8 - 20.43 Ma
Cenozoic
Brachycrus sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Brachycrus20.43 - 15.97 Ma
Miocene
Brachycrus rusticus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Brachycrus : Brachycrus rusticus20.43 - 15.97 Ma
Miocene
Brachycrus sweetwaterensis
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Brachycrus : Brachycrus sweetwaterensis20.43 - 15.97 Ma
Miocene
Brachycrus vaughani
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Brachycrus : Brachycrus vaughani20.43 - 15.97 Ma
Miocene
Merychyus sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus30.8 - 20.43 Ma
Cenozoic
Merychyus arenarum
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus : Merychyus arenarum20.43 - 15.97 Ma
Miocene
Merycochoerus sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycochoerus30.8 - 20.43 Ma
Cenozoic
Merychyus pariogonus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycoides : Merychyus pariogonus20.43 - 15.97 Ma
Miocene
Merycoidodontidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae20.43 - 15.97 Ma
Miocene
Pecora
unranked clade
99Animalia : Chordata : Mammalia : Artiodactyla : Pecora20.43 - 15.97 Ma
Miocene
Barbouromeryx sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Barbouromeryx20.43 - 15.97 Ma
Miocene
Bouromeryx sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Dromomerycidae : Bouromeryx20.43 - 15.97 Ma
Miocene
Carnivora
order
4Animalia : Chordata : Mammalia : Carnivora20.43 - 15.97 Ma
Miocene
Borophaginae
subfamily
5.3Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophaginae20.43 - 15.97 Ma
Miocene
Cynarctoides acridens
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Cynarctoides : Cynarctoides acridens20.43 - 15.97 Ma
Miocene
Cynodesmus canavus
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Metatomarctus : Cynodesmus canavus20.43 - 15.97 Ma
Miocene
Paracynarctus kelloggi
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Paracynarctus : Paracynarctus kelloggi20.43 - 15.97 Ma
Miocene
Protomarctus optatus
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Protomarctus : Protomarctus optatus20.43 - 15.97 Ma
Miocene
Leptarctus sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Leptarctus20.43 - 15.97 Ma
Miocene
Miomustela sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Miomustela20.43 - 15.97 Ma
Miocene
Mustelidae
family
5Animalia : Chordata : Mammalia : Carnivora : Mustelidae20.43 - 15.97 Ma
Miocene
Procyonidae
family
5Animalia : Chordata : Mammalia : Carnivora : Procyonidae20.43 - 15.97 Ma
Miocene
Chiroptera
order
4Animalia : Chordata : Mammalia : Chiroptera20.43 - 15.97 Ma
Miocene
Insectivora
order
4Animalia : Chordata : Mammalia : Insectivora20.43 - 15.97 Ma
Miocene
Lagomorpha
order
4Animalia : Chordata : Mammalia : Lagomorpha20.43 - 15.97 Ma
Miocene
Archaeolaginae
subfamily
5.3Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolaginae20.43 - 15.97 Ma
Miocene
Desmatolagus schizopetrus
species
7Animalia : Chordata : Mammalia : Lagomorpha : Ochotonidae : Desmatolagus : Desmatolagus schizopetrus20.43 - 15.97 Ma
Miocene
Leporidae
family
5Animalia : Chordata : Mammalia : Lagomorpha : Leporidae20.43 - 15.97 Ma
Miocene
Oreolagus nebrascensis
species
7Animalia : Chordata : Mammalia : Lagomorpha : Ochotonidae : Oreolagus : Oreolagus nebrascensis20.43 - 15.97 Ma
Miocene
Brachyerix macrotis
species
7Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Brachyerix : Brachyerix macrotis20.43 - 15.97 Ma
Miocene
Parvericius montanus
species
7Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Parvericius : Parvericius montanus20.43 - 15.97 Ma
Miocene
Scalopini
tribe
5.5Animalia : Chordata : Mammalia : Lipotyphla : Talpidae : Scalopini20.43 - 15.97 Ma
Miocene
Talpinae
subfamily
5.3Animalia : Chordata : Mammalia : Lipotyphla : Talpidae : Talpinae20.43 - 15.97 Ma
Miocene
Mesoscalops scopelotemos
species
7Animalia : Chordata : Mammalia : Proscalopidae : Mesoscalops : Mesoscalops scopelotemos20.43 - 15.97 Ma
Miocene
Limnoecus sp.
genus
6Animalia : Chordata : Mammalia : Soricidae : Limnoecus20.43 - 15.97 Ma
Miocene
Soricidae
family
5Animalia : Chordata : Mammalia : Soricomorpha : Soricidae20.43 - 15.97 Ma
Miocene
Tylocephalonyx skinneri
species
7Animalia : Chordata : Mammalia : Perissodactyla : Chalicotheriidae : Tylocephalonyx : Tylocephalonyx skinneri20.43 - 15.97 Ma
Miocene
Equidae
family
5Animalia : Chordata : Mammalia : Perissodactyla : Equidae30.8 - 20.43 Ma
Cenozoic
Equinae
subfamily
5.3Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hippodon : Equinae20.43 - 15.97 Ma
Miocene
Hypohippus sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hypohippus20.43 - 15.97 Ma
Miocene
Merychippus primus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Merychippus : Merychippus primus20.43 - 15.97 Ma
Miocene
Miohippus obliquidens
species
7Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Miohippus : Miohippus obliquidens33.3 - 24.8 Ma
Oligocene
Rhinocerotidae
family
5Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae20.43 - 15.97 Ma
Miocene
Geomyoidea
superfamily
4.7Animalia : Chordata : Mammalia : Rodentia : Geomyoidea20.43 - 15.97 Ma
Miocene
Rodentia
order
4Animalia : Chordata : Mammalia : Rodentia20.43 - 15.97 Ma
Miocene
Castoridae
family
5Animalia : Chordata : Mammalia : Rodentia : Castoridae30.8 - 20.43 Ma
Cenozoic
Palaeocastor sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Castoridae : Palaeocastor30.8 - 20.43 Ma
Cenozoic
Priusaulax senrudi
species
7Animalia : Chordata : Mammalia : Rodentia : Castoridae : Priusaulax : Priusaulax senrudi23.03 - 5.333 Ma
Miocene
Geringia mcgregori
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Geringia : Geringia mcgregori30.8 - 20.43 Ma
Cenozoic
Geomyidae
family
5Animalia : Chordata : Mammalia : Rodentia : Geomyidae20.43 - 15.97 Ma
Miocene
Pleurolicus sulcifrons
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Pleurolicus : Pleurolicus sulcifrons30.8 - 20.43 Ma
Cenozoic
Harrymys irvini
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Harrymys : Harrymys irvini20.43 - 15.97 Ma
Miocene
Dikkomys woodi
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Harrymys : Dikkomys woodi20.43 - 15.97 Ma
Miocene
Heteromyidae
family
5Animalia : Chordata : Mammalia : Rodentia : Heteromyidae20.43 - 15.97 Ma
Miocene
Perognathinae
subfamily
5.3Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathinae20.43 - 15.97 Ma
Miocene
Proheteromys fedti
species
7Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Proheteromys fedti30.8 - 20.43 Ma
Cenozoic
Grangerimus harkseni
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Schizodontomys : Grangerimus harkseni20.43 - 15.97 Ma
Miocene
Alphagaulus vetus
species
7Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : Alphagaulus : Alphagaulus vetus20.43 - 15.97 Ma
Miocene
Galbreathia novellus
species
7Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : Galbreathia : Galbreathia novellus20.43 - 15.97 Ma
Miocene
Promylagaulinae
subfamily
5.3Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : Promylagaulinae30.8 - 20.43 Ma
Cenozoic
Miospermophilus wyomingensis
species
7Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Miospermophilus : Miospermophilus wyomingensis20.43 - 15.97 Ma
Miocene
Nototamias sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Nototamias20.43 - 15.97 Ma
Miocene
Protospermophilus kelloggi
species
7Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Protospermophilus : Protospermophilus kelloggi20.43 - 15.97 Ma
Miocene
Schaubeumys sabrae
species
7Animalia : Chordata : Mammalia : Rodentia : Zapodidae : Schaubeumys : Schaubeumys sabrae20.43 - 15.97 Ma
Miocene
Gerrhonotinae
subfamily
5.3Animalia : Chordata : Reptilia : Squamata : Anguidae : Gerrhonotinae20.43 - 15.97 Ma
Miocene
Gerrhonotus sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Anguidae : Gerrhonotus20.43 - 15.97 Ma
Miocene
Calamagras weigeli
species
7Animalia : Chordata : Reptilia : Squamata : Boidae : Calamagras : Calamagras weigeli20.43 - 15.97 Ma
Miocene
Charina prebottae
species
7Animalia : Chordata : Reptilia : Squamata : Boidae : Charina : Charina prebottae20.43 - 15.97 Ma
Miocene
Ameiseophis robinsoni
species
7Animalia : Chordata : Reptilia : Squamata : Colubridae : Ameiseophis : Ameiseophis robinsoni20.43 - 15.97 Ma
Miocene
Dakotaophis sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Colubridae : Dakotaophis20.43 - 15.97 Ma
Miocene
Natricinae
subfamily
5.3Animalia : Chordata : Reptilia : Squamata : Colubridae : Natricinae20.43 - 15.97 Ma
Miocene
Paracoluber storeri
species
7Animalia : Chordata : Reptilia : Squamata : Colubridae : Paracoluber : Paracoluber storeri20.43 - 15.97 Ma
Miocene
Pseudocemophora sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Colubridae : Pseudocemophora20.43 - 15.97 Ma
Miocene
Salvadora paleolineata
species
7Animalia : Chordata : Reptilia : Squamata : Colubridae : Salvadora : Salvadora paleolineata20.43 - 15.97 Ma
Miocene
Crotalidae
family
5Animalia : Chordata : Reptilia : Squamata : Crotalidae20.43 - 15.97 Ma
Miocene
Phrynosoma sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Phrynosomatidae : Phrynosoma20.43 - 15.97 Ma
Miocene
Sceloporus sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Phrynosomatidae : Sceloporus20.43 - 15.97 Ma
Miocene
Ogmophis miocompactus
species
7Animalia : Chordata : Reptilia : Squamata : Boidae : Ogmophis : Ogmophis miocompactus20.43 - 15.97 Ma
Miocene
Gopherus edae
species
7Animalia : Chordata : Reptilia : Testudines : Testudinidae : Gopherus : Gopherus edae20.43 - 15.97 Ma
Miocene
Testudinidae
family
5Animalia : Chordata : Reptilia : Testudines : Testudinidae20.43 - 15.97 Ma
Miocene

References

Denson N. M., Gill J. R. (1965) Uranium-bearing lignite and carbonaceous shale in the southwestern part of the Williston Basin - a regional study, with a section on heavy minerals in Cretaceous and Tertiary rocks associated with uranium occurrences, United States Geological Survey Professional Paper 463, 1-75
Munthe J. (1979) Summary of Miocene vertebrate fossils of the Granite Mountains Basin, central\r\nWyoming, Contributions to Geology, University of Wyoming 18 1, 33-46
Martin L. D. (1980) The early evolution of the Cricetidae in North America, University of Kansas Paleontological Contributions Vertebrata 102, 1-42
Swisher C. C. (1982) , Stratigraphy and biostratigraphy of the eastem portion of the Wildcat Ridge, westem Nebraska, 1-172
Munthe J. (1988) Miocene mammals of the Split Rock area, Granite Mountains basin, central Wyoming, University of California Publications in Geological Sciences 126, 1-136
Sutton J. F., Korth W. W. (1995) Rodents (Mammalia) from the Barstovian (Miocene) Anceney local fauna, Montana, Annals of Carnegie Museum 64 4, 267-314
Hoganson J. W., Murphy E. C., et al (1998) Chadron, Brule, and Arikaree Formations, North Dakota, Geological Society of America Special Paper: Depositional Environments, Lithostratigraphy, and Biostratigraphy of the White River and Arikaree Groups (Late Eocene to Early Miocene, North America) 325, 185-196
Wang X., Tedford R. H., et al (1999) Phylogenetic systematics of the Borophaginae (Carnivora: Canidae), Bulletin of the American Museum of Natural History 243, 1-392
Korth W. W. (2000) Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska, Annals of Carnegie Museum 69 4, 227-280
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
Parris D. C., Grandstaff B. S. (2003) An oreodont of Miocene age from Slim Buttes, Harding County, South Dakota, Proceedings of the South Dakota Academy of Science 82, 61-65
Scarpetta S. (2018) The earliest known occurrence of Elgaria (Squamata: Anguidae) and a minimum age for crown Gerrhonotinae: Fossils from the Split Rock Formation, Wyoming, USA, Palaeontologia Electronica 21.1.1FC, 1-8 doi:10.26879/837
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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