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Sheridan Co., Nebraska, USAi
Regional Level Types
Sheridan Co.County
NebraskaState
USACountry

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PhotosMapsSearch
Locality type:
Largest Settlements:
PlacePopulation
Gordon1,531 (2017)
Rushville850 (2017)
Hay Springs547 (2017)
Other Languages:
French:
comté de Sheridan, Nebraska, États-Unis
German:
Sheridan County, Nebraska, Vereinigte Staaten
Italian:
contea di Sheridan, Nebraska, Stati Uniti d'America
Russian:
Шеридан, Небраска, Соединённые Штаты Америки
Simplified Chinese:
謝里敦縣 , 內布拉斯加州, 美国
Spanish:
Condado de Sheridan, Nebraska, Estados Unidos
Albanian:
Sheridan County, Nebraska, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة شيردان, نبراسكا, الولايات المتحدة
Armenian:
Շերիդան շրջան, Նեբրասկա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Sheridan konderria , Nebraska
Bavarian:
Sheridan County, Nebraska, Vaoanigte Stootn
Bishnupriya Manipuri:
শেরিডান কাউন্টি, নেব্রাস্কা, তিলপারাষ্ট্র
Bulgarian:
Шеридан, Небраска, Съединени американски щати
Cebuano:
Sheridan County , Nebraska
Dutch:
Sheridan County, Nebraska, Verenigde Staten
Farsi/Persian:
شهرستان شریدن، نبراسکا, نبراسکا, ایالات متحده آمریکا
Georgian:
შერიდანის ოლქი, ნებრასკა, ამერიკის შეერთებული შტატები
Hungarian:
Sheridan megye, Nebraska, Amerikai Egyesült Államok
Japanese:
シェリダン郡, ネブラスカ州, アメリカ合衆国
Low Saxon/Low German:
Sheridan County, Nebraska, USA
Min Dong Chinese:
Sheridan Gông, Nebraska
Minnan / Hokkien-Taiwanese:
Sheridan Kūn
Norwegian:
Sheridan County, Nebraska, USA
Polish:
Hrabstwo Sheridan , Nebraska, Stany Zjednoczone
Portuguese:
Condado de Sheridan, Nebraska, Estados Unidos
Romanian:
Comitatul Sheridan, Nebraska, Statele Unite ale Americii
Sardinian:
contea de Sheridan, Nebraska, Istados Unidos de Amèrica
Scottish Gaelic:
Sheridan County, Nebraska, Na Stàitean Aonaichte
Serbian:
Округ Шеридан , Небраска, Сједињене Америчке Државе
Serbo-Croatian:
Sheridan County, Nebraska, Sjedinjene Američke Države
Swedish:
Sheridan County, Nebraska, USA
Traditional Chinese:
謝里敦縣, 內布拉斯加州, 美國
Turkish:
Sheridan ilçesi, Nebraska, Amerika Birleşik Devletleri
Ukrainian:
Шерідан, Небраска, Сполучені Штати Америки
Urdu:
شیئرڈن کاؤنٹی، نیبراسکا, نیبراسکا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Sheridan, Nebraska, Chủng Quốc Hoa Kỳ
Waray:
Condado han Sheridan, Nebraska, Estados Unidos
Western Punjabi:
شیریڈان کاؤنٹی،نیبراسکا, نیبراسکا, امریکہ


Sheridan County lies on the north line of Nebraska. Its north boundary line abuts the south boundary line of the state of South Dakota. The county seat is Rushville. An upper reach of the Niobrara River flows eastward through the upper central part of the county. The terrain consists of arid rolling hills, dotted with small lakes in the eastern and southern parts of the county (Sandhills Region).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

7 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: The Minerals and Gemstones of Nebraska CSD U Neb EC 2
Calcite
Formula: CaCO3
Reference: The Minerals and Gemstones of Nebraska CSD U Neb EC 2
Celestine
Formula: SrSO4
Reference: The Minerals and Gemstones of Nebraska CSD U Neb EC 2
Dolomite
Formula: CaMg(CO3)2
Reference: USGS National Geochemical Database: Rocks -File D260785
Gypsum
Formula: CaSO4 · 2H2O
Reference: USGS National Geochemical Database: Rocks -File D260785
Opal
Formula: SiO2 · nH2O
Reference: Jay Ellis Ransom,1974,Gems and Minerals of America
Quartz
Formula: SiO2
Quartz var. Agate
Quartz var. Chalcedony
Formula: SiO2
Reference: Jay Ellis Ransom,1974,Gems and Minerals of America
Quartz var. Fairburn Agate
Formula: SiO2
Quartz var. Jasper
Reference: Jay Ellis Ransom,1974,Gems and Minerals of America

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var. Agate4.DA.05SiO2
var. Chalcedony4.DA.05SiO2
var. Fairburn Agate4.DA.05SiO2
var. Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H OpalSiO2 · nH2O
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O Quartz var. Fairburn AgateSiO2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CalciteCaCO3
O CelestineSrSO4
O Quartz var. ChalcedonySiO2
O DolomiteCaMg(CO3)2
O GypsumCaSO4 · 2H2O
O QuartzSiO2
O OpalSiO2 · nH2O
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
SiSilicon
Si Quartz var. Fairburn AgateSiO2
Si Quartz var. ChalcedonySiO2
Si QuartzSiO2
Si OpalSiO2 · nH2O
SSulfur
S CelestineSrSO4
S GypsumCaSO4 · 2H2O
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
SrStrontium
Sr CelestineSrSO4

Fossils

There are 6 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences174
Youngest Fossil Listed0.30 Ma (Pleistocene)
Oldest Fossil Listed93.5 Ma (Late/Upper Cretaceous)
Stratigraphic UnitsClick here to view 10 stratigraphic units.
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Stylemys
genus
Animalia : Chordata : Reptilia : Testudines : Testudinidae : Stylemys23.03 - 5.333 Ma
Miocene
Parvericius
genus
Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Parvericius24.8 - 20.43 Ma
Cenozoic
Sorex
genus
Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Sorex1.8 - 0.3 Ma
Pleistocene
Mustelidae
family
Animalia : Chordata : Mammalia : Carnivora : Mustelidae1.8 - 0.3 Ma
Pleistocene
Canis
genus
Animalia : Chordata : Mammalia : Carnivora : Canidae : Canis1.8 - 0.3 Ma
Pleistocene
Urocyon
genus
Animalia : Chordata : Mammalia : Carnivora : Canidae : Urocyon1.8 - 0.3 Ma
Pleistocene
Vulpes
genus
Animalia : Chordata : Mammalia : Carnivora : Canidae : Vulpes1.8 - 0.3 Ma
Pleistocene
Ischyrocyon
genus
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Ischyrocyon15.97 - 10.3 Ma
Miocene
Cephalogale
genus
Animalia : Chordata : Mammalia : Carnivora : Hemicyonidae : Cephalogale20.43 - 15.97 Ma
Miocene
Alwoodia
genus
Animalia : Chordata : Mammalia : Rodentia : Allomyidae : Alwoodia24.8 - 20.43 Ma
Cenozoic
Miospermophilus
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Miospermophilus24.8 - 20.43 Ma
Cenozoic
Protospermophilus
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Protospermophilus24.8 - 20.43 Ma
Cenozoic
Castor
genus
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Castor1.8 - 0.3 Ma
Pleistocene
Castoroides
genus
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Castoroides1.8 - 0.3 Ma
Pleistocene
Palaeocastor
genus
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Palaeocastor24.8 - 20.43 Ma
Cenozoic
Thomomys
genus
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Thomomys1.8 - 0.3 Ma
Pleistocene
Harrymys
genus
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Harrymys24.8 - 20.43 Ma
Cenozoic
Proheteromys
genus
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Proheteromys24.8 - 15.97 Ma
Cenozoic
Neotoma
genus
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Neotoma1.8 - 0.3 Ma
Pleistocene
Archaeolagus
genus
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolagus20.43 - 15.97 Ma
Miocene
Platygonus
genus
Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Platygonus1.8 - 0.3 Ma
Pleistocene
Camelops
genus
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Camelops23.03 - 5.333 Ma
Miocene
Hemiauchenia
genus
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Hemiauchenia1.8 - 0.3 Ma
Pleistocene
Capromeryx
genus
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Capromeryx1.8 - 0.3 Ma
Pleistocene
Hayoceros
genus
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Hayoceros1.8 - 0.3 Ma
Pleistocene
Merycodus
genus
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Merycodus23.03 - 5.333 Ma
Miocene
Equus
genus
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus1.8 - 0.3 Ma
Pleistocene
Merychippus
genus
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Merychippus15.97 - 10.3 Ma
Miocene
Rhinocerotidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae23.03 - 5.333 Ma
Miocene
Aphelops megalodus
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Aphelops : Aphelops megalodus15.97 - 0.3 Ma
Cenozoic
Aelurodon ferox
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Aelurodon : Aelurodon ferox23.03 - 5.333 Ma
Miocene
Aelurodon taxoides
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Aelurodon : Aelurodon taxoides13.6 - 10.3 Ma
Miocene
Hypohippus affinis
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hypohippus : Hypohippus affinis23.03 - 5.333 Ma
Miocene
Parahippus cognatus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Parahippus : Parahippus cognatus23.03 - 5.333 Ma
Miocene
Spermophilus richardsonii
species
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Spermophilus : Spermophilus richardsonii1.8 - 0.3 Ma
Pleistocene
Arctodus simus
species
Animalia : Chordata : Mammalia : Carnivora : Ursidae : Arctodus : Arctodus simus1.8 - 0.3 Ma
Pleistocene
Camelops hesternus
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Camelops : Camelops hesternus1.8 - 0.3 Ma
Pleistocene
Bootherium bombifrons
species
Animalia : Chordata : Mammalia : Artiodactyla : Bovidae : Bootherium : Bootherium bombifrons1.8 - 0.3 Ma
Pleistocene
Canis dirus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Canis : Canis dirus1.8 - 0.3 Ma
Pleistocene
Hesperocyon gregarius
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Hesperocyon : Hesperocyon gregarius33.3 - 30.8 Ma
Oligocene
Epicyon haydeni
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Epicyon : Epicyon haydeni23.03 - 5.333 Ma
Miocene
Canis latrans
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Canis : Canis latrans1.8 - 0.3 Ma
Pleistocene
Epicyon saevus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Epicyon : Epicyon saevus23.03 - 5.333 Ma
Miocene
Paratomarctus temerarius
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Paratomarctus : Paratomarctus temerarius23.03 - 5.333 Ma
Miocene
Leptocyon vafer
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Leptocyon : Leptocyon vafer23.03 - 5.333 Ma
Miocene
Capromeryx furcifer
species
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Capromeryx : Capromeryx furcifer1.8 - 0.3 Ma
Pleistocene
Eucastor tortus
species
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Eucastor : Eucastor tortus23.03 - 5.333 Ma
Miocene
Ondatra zibethicus
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Ondatra : Ondatra zibethicus1.8 - 0.3 Ma
Pleistocene
Merycodus warreni
species
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Merycodus : Merycodus warreni23.03 - 5.333 Ma
Miocene
Craterogale simus
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Craterogale : Craterogale simus20.43 - 15.97 Ma
Miocene
Metatomarctus canavus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Metatomarctus : Metatomarctus canavus20.43 - 15.97 Ma
Miocene
Paratomarctus euthos
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Paratomarctus : Paratomarctus euthos15.97 - 10.3 Ma
Miocene
Cynomys niobrarius
species
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Cynomys : Cynomys niobrarius1.8 - 0.3 Ma
Pleistocene
Odocoileus virginianus
species
Animalia : Chordata : Mammalia : Artiodactyla : Cervidae : Odocoileus : Odocoileus virginianus1.8 - 0.3 Ma
Pleistocene
Daphoenodon (Borocyon) niobrarensis
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Daphoenodon : Daphoenodon (Borocyon) niobrarensis20.43 - 15.97 Ma
Miocene
Mammuthus columbi
species
Animalia : Chordata : Mammalia : Proboscidea : Elephantidae : Mammuthus : Mammuthus columbi23.03 - 0.3 Ma
Cenozoic
Equus excelsus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus : Equus excelsus23.03 - 5.333 Ma
Miocene
Protohippus perditus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protohippus : Protohippus perditus23.03 - 5.333 Ma
Miocene
Euroxenomys wilsoni
species
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Euroxenomys : Euroxenomys wilsoni20.43 - 15.97 Ma
Miocene
Uncia atrox
species
Animalia : Chordata : Mammalia : Carnivora : Felidae : Uncia : Uncia atrox1.8 - 0.3 Ma
Pleistocene
Smilodon fatalis
species
Animalia : Chordata : Mammalia : Carnivora : Felidae : Smilodon : Smilodon fatalis1.8 - 0.3 Ma
Pleistocene
Schizodontomys harkseni
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Schizodontomys : Schizodontomys harkseni24.8 - 20.43 Ma
Cenozoic
Gripholagomys lavocati
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Gripholagomys : Gripholagomys lavocati24.8 - 20.43 Ma
Cenozoic
Hayoceros barbouri
species
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Hayoceros : Hayoceros barbouri1.8 - 0.3 Ma
Pleistocene
Tylionomys woodi
species
Animalia : Chordata : Mammalia : Rodentia : Heliscomyidae : Tylionomys : Tylionomys woodi24.8 - 20.43 Ma
Cenozoic
Neohipparion affine
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Neohipparion : Neohipparion affine23.03 - 5.333 Ma
Miocene
Cormohipparion occidentale
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Cormohipparion : Cormohipparion occidentale23.03 - 5.333 Ma
Miocene
Onychomys leucogaster
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Onychomys : Onychomys leucogaster1.8 - 0.3 Ma
Pleistocene
Hystricops venustus
species
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Hystricops : Hystricops venustus23.03 - 5.333 Ma
Miocene
Leptarctus wortmani
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Leptarctus : Leptarctus wortmani13.6 - 10.3 Ma
Miocene
Leptauchenia decora
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia decora30.8 - 20.43 Ma
Cenozoic
Leptauchenia major
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia major30.8 - 20.43 Ma
Cenozoic
Stegomastodon mirificus
species
Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae : Stegomastodon : Stegomastodon mirificus23.03 - 5.333 Ma
Miocene
Paramylodon harlani
species
Animalia : Chordata : Mammalia : Xenarthra : Mylodontidae : Paramylodon : Paramylodon harlani1.8 - 0.3 Ma
Pleistocene
Merychippus insignis
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Merychippus : Merychippus insignis23.03 - 5.333 Ma
Miocene
Pliohippus mirabilis
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : Pliohippus mirabilis23.03 - 5.333 Ma
Miocene
Merychyus elegans
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus : Merychyus elegans23.03 - 5.333 Ma
Miocene
Ustatochoerus major
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : Ustatochoerus major23.03 - 5.333 Ma
Miocene
Ustatochoerus medius
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : Ustatochoerus medius23.03 - 5.333 Ma
Miocene
Merycochoerus proprius
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycochoerus : Merycochoerus proprius23.03 - 5.333 Ma
Miocene
Mesoreodon chelonyx
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Mesoreodon : Mesoreodon chelonyx30.8 - 20.43 Ma
Cenozoic
Mesoscalops scopelotemos
species
Animalia : Chordata : Mammalia : Proscalopidae : Mesoscalops : Mesoscalops scopelotemos20.43 - 15.97 Ma
Miocene
Ustatochoerus medius novomexicanus
subspecies
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : Ustatochoerus medius novomexicanus23.03 - 5.333 Ma
Miocene
Geomys bursarius
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Geomys : Geomys bursarius1.8 - 0.3 Ma
Pleistocene
Microtus pennsylvanicus
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Microtus : Microtus pennsylvanicus1.8 - 0.3 Ma
Pleistocene
Mesogaulus paniensis
species
Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : Mesogaulus : Mesogaulus paniensis20.43 - 15.97 Ma
Miocene
Merycoidodon (Otarohyus) bullatus
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycoidodon : Merycoidodon (Otarohyus) bullatus33.3 - 30.8 Ma
Oligocene
Oreolagus nebrascensis
species
Animalia : Chordata : Mammalia : Lagomorpha : Ochotonidae : Oreolagus : Oreolagus nebrascensis20.43 - 15.97 Ma
Miocene
Paciculus nebraskensis
species
Animalia : Chordata : Mammalia : Rodentia : Muridae : Paciculus : Paciculus nebraskensis24.8 - 20.43 Ma
Cenozoic
Herpetotherium youngi
species
Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Herpetotherium : Herpetotherium youngi24.8 - 20.43 Ma
Cenozoic
Phlaocyon marslandensis
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Phlaocyon : Phlaocyon marslandensis20.43 - 15.97 Ma
Miocene
Procamelus occidentalis
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Procamelus : Procamelus occidentalis23.03 - 5.333 Ma
Miocene
Harrymys magnus
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Harrymys : Harrymys magnus20.43 - 15.97 Ma
Miocene
Promerycochoerus carrikeri
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Promerycochoerus : Promerycochoerus carrikeri24.8 - 20.43 Ma
Cenozoic
Mesoreodon minor
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Mesoreodon : Mesoreodon minor30.8 - 20.43 Ma
Cenozoic
Promylagaulus riggsi
species
Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : Promylagaulus : Promylagaulus riggsi24.8 - 20.43 Ma
Cenozoic
Proscalops secundus
species
Animalia : Chordata : Mammalia : Proscalopidae : Proscalops : Proscalops secundus24.8 - 20.43 Ma
Cenozoic
Protohippus supremus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protohippus : Protohippus supremus23.03 - 5.333 Ma
Miocene
Pseudaelurus intrepidus
species
Animalia : Chordata : Mammalia : Carnivora : Felidae : Pseudaelurus : Pseudaelurus intrepidus23.03 - 5.333 Ma
Miocene
Neovison vison
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Neovison : Neovison vison1.8 - 0.3 Ma
Pleistocene
Schizodontomys amnicolus
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Schizodontomys : Schizodontomys amnicolus20.43 - 15.97 Ma
Miocene
Tapirus johnsoni
species
Animalia : Chordata : Mammalia : Perissodactyla : Tapiridae : Tapirus : Tapirus johnsoni13.6 - 4.9 Ma
Neogene
Teleoceras major
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Teleoceras : Teleoceras major13.6 - 10.3 Ma
Miocene
Toxochelys latiremis
species
Animalia : Chordata : Reptilia : Testudines : Cheloniidae : Toxochelys : Toxochelys latiremis23.03 - 5.333 Ma
Miocene
Collignoniceras praecox
species
Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Collignoniceras : Collignoniceras praecox93.5 - 89.3 Ma
Late/Upper Cretaceous
Anabernicula robusta
species
Animalia : Chordata : Aves : Anseriformes : Anatidae : Anabernicula : Anabernicula robusta1.8 - 0.3 Ma
Pleistocene
Equus calobatus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus : Equus calobatus1.8 - 0.3 Ma
Pleistocene
Fossil LocalitiesClick to show 6 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Sheridan_County,_Nebraska
Wikidata ID:Q495969
GeoNames ID:5699519

Localities in this Region

Other Regions, Features and Areas that Intersect


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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