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Ridgeview, Dawes County, Nebraska, USA

Lat/Long (Decimal)42.8333,-103
Co-ordinates Derivationbased on nearby landmark
Given LocationNebraska, United States
Mindat.org Region (for given coordinates)Dawes County, Nebraska, USA

Collections

CollectionReferenceStratigraphic NameCommentsLithologyAge
RidgeviewBailey B. E. (2004)Arikaree"Gering Fm." according to Swisher 1982, but "near the base of the Arikaree Group" (Bailey 1992) and "early early Arikareean" (= Geringian) (Bailey 2004)conglomerate30.8 - 26.3 Ma
Oligocene

Recorded Fossils

Accepted NameHierarchyAge
Carnivora
order
Animalia : Chordata : Mammalia : Carnivora30.8 - 26.3 Ma
Oligocene
Myotis sp.
genus
Animalia : Chordata : Mammalia : Chiroptera : Vespertilionidae : Myotis30.8 - 26.3 Ma
Oligocene
Oligomyotis sp.
genus
Animalia : Chordata : Mammalia : Chiroptera : Vespertilionidae : Oligomyotis30.8 - 26.3 Ma
Oligocene
Megalagus sp.
genus
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Megalagus30.8 - 26.3 Ma
Oligocene
Palaeolagus hypsodus
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus hypsodus30.8 - 26.3 Ma
Oligocene
Palaeolagus philoi
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus philoi30.8 - 26.3 Ma
Oligocene
Ocajila makpiyahe
species
Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Ocajila : Ocajila makpiyahe30.8 - 26.3 Ma
Oligocene
Centetodon magnus
species
Animalia : Chordata : Mammalia : Lipotyphla : Geolabididae : Centetodon : Centetodon magnus30.8 - 26.3 Ma
Oligocene
Scalopoides sp.
genus
Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Scalopoides30.8 - 26.3 Ma
Oligocene
Ankylodon annectens
species
Animalia : Chordata : Mammalia : Erinaceomorpha : Amphilemuridae : Ankylodon : Ankylodon annectens30.8 - 26.3 Ma
Oligocene
Peratherium fugax
species
Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Herpetotherium : Peratherium fugax30.8 - 26.3 Ma
Oligocene
Domnina sp.
genus
Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Domnina30.8 - 26.3 Ma
Oligocene
Nanodelphys sp.
genus
Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Nanodelphys30.8 - 26.3 Ma
Oligocene
Oligoscalops galbreathi
species
Animalia : Chordata : Mammalia : Proscalopidae : Oligoscalops : Arctoryctes galbreathi30.8 - 26.3 Ma
Oligocene
Proscalops miocaenus
species
Animalia : Chordata : Mammalia : Proscalopidae : Proscalops : Proscalops miocaenus30.8 - 26.3 Ma
Oligocene
Limnoecinae
subfamily
Animalia : Chordata : Mammalia : Soricidae : Limnoecinae30.8 - 26.3 Ma
Oligocene
Allomys sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Allomyidae : Allomys30.8 - 26.3 Ma
Oligocene
Downsimus chadwicki
species
Animalia : Chordata : Mammalia : Rodentia : Allomyidae : Downsimus : Downsimus chadwicki30.8 - 26.3 Ma
Oligocene
Campestrallomys dawsonae
species
Animalia : Chordata : Mammalia : Rodentia : Aplodontidae : Campestrallomys : Campestrallomys dawsonae30.8 - 26.3 Ma
Oligocene
Meniscomys sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Aplodontiidae : Meniscomys30.8 - 26.3 Ma
Oligocene
Prosciurus sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Allomyidae : Prosciurus30.8 - 26.3 Ma
Oligocene
Agnotocastor sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Agnotocastor30.8 - 26.3 Ma
Oligocene
Geringia mcgregori
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Geringia : Geringia mcgregori30.8 - 26.3 Ma
Oligocene
Leidymys blacki
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Leidymys : Leidymys blacki30.8 - 26.3 Ma
Oligocene
Leptodontomys douglassi
species
Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Leptodontomys : Adjidaumo douglassi30.8 - 26.3 Ma
Oligocene
Metadjidaumo hendryi
species
Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Metadjidaumo : Metadjidaumo hendryi30.8 - 26.3 Ma
Oligocene
Florentiamys tiptoni
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Florentiamys : Florentiamys tiptoni30.8 - 26.3 Ma
Oligocene
Sanctimus stouti
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Sanctimus : Sanctimus stouti30.8 - 26.3 Ma
Oligocene
Sanctimus stuartae
species
Animalia : Chordata : Mammalia : Rodentia : Florentiamyidae : Sanctimus : Sanctimus stuartae30.8 - 26.3 Ma
Oligocene
Tenudomys ridgeviewensis
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Tenudomys : Tenudomys ridgeviewensis30.8 - 26.3 Ma
Oligocene
Tenudomys titanus
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Tenudomys : Tenudomys titanus30.8 - 26.3 Ma
Oligocene
Heliscomys sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Heliscomys30.8 - 26.3 Ma
Oligocene
Heliscomys macdonaldi
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Heliscomys : Heliscomys macdonaldi30.8 - 26.3 Ma
Oligocene
Tylionomys voorhiesi
species
Animalia : Chordata : Mammalia : Rodentia : Heliscomyidae : Tylionomys : Tylionomys voorhiesi30.8 - 26.3 Ma
Oligocene
Tylionomys woodi
species
Animalia : Chordata : Mammalia : Rodentia : Heliscomyidae : Tylionomys : Heliscomys woodi30.8 - 26.3 Ma
Oligocene
Proharrymys fedti
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Proheteromys fedti30.8 - 26.3 Ma
Oligocene
Proharrymys schlaikjeri
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Heliscomys schlaikjeri30.8 - 26.3 Ma
Oligocene
Proharrymys wahlerti
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Proharrymys wahlerti30.8 - 26.3 Ma
Oligocene
Miospermophilus sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Miospermophilus30.8 - 26.3 Ma
Oligocene
Nototamias sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Nototamias30.8 - 26.3 Ma
Oligocene
Petauristodon sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Petauristodon30.8 - 26.3 Ma
Oligocene
Protospermophilus sp.
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Protospermophilus30.8 - 26.3 Ma
Oligocene

References

Korth W. W., Bailey B. E. (1992) Additional Specimens of Leptodontomys douglassi (Eomyidae, Rodentia) from the Arikareean (Late Oligocene) of Nebraska, Journal of Mammalogy 73 3, 651-662
Bailey B. E. (1992) , Proceedings of the Nebraska Academy of Sciences 112
Tedford R. H., et al. (1996)
Bailey B. E. (2004) Biostratigraphy and biochronology of early Arikareean through late Hemingfordian small mammal faunas from the Nebraska Panhandle and adjacent areas, Paludicola 4 3, 81-113
Korth W. W., Branciforte C. (2007) Geomyoid rodents (Mammalia) from the Ridgeview local fauna, early-Early Arikareean (Late Oligocene) of western Nebraska, Annals of Carnegie Museum 76 3, 177-201 doi:10.2992/0097-4463(2007)76[177:GRMFTR]2.0.CO;2
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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