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Gering - Unit B, Morrill County, Nebraska, USA

FormationGering
MemberUnit B
Age:30.8 - 26.3 Ma
Oligocene
IntervalGeringian
Number of Collections7
Number of Occurrences41

Recorded Sample Locations

LocationRegionStratigraphic Name
Chimney Rock Morrill County, Nebraska, USAGering - Unit B

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Arikaree20.4 - 5.33 Ma
Miocene
siliciclastic278
Ash Hollow10.3 - 4.90 Ma
Neogene
siliciclastic231
Brule - Brown Siltstone30.8 - 20.4 Ma
Cenozoic
47
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
Gering30.8 - 26.3 Ma
Oligocene
29
Gering - Gering A30.8 - 26.3 Ma
Oligocene
24
Gering - Unit C30.8 - 26.3 Ma
Oligocene
21
Gering - Unit D30.8 - 26.3 Ma
Oligocene
10
Runningwater20.4 - 16.0 Ma
Miocene
sandstone, sandstone/conglomerate315

Recorded Fossils

Accepted NameHierarchyAge
Hypertragulus sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Hypertragulus30.8 - 26.3 Ma
Oligocene
Nanotragulus loomisi
species
7Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Nanotragulus : Nanotragulus loomisi30.8 - 26.3 Ma
Oligocene
Hypisodus sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Hypisodus30.8 - 26.3 Ma
Oligocene
Palaeogale dorothiae
species
7Animalia : Chordata : Mammalia : Carnivora : Odobenidae : Palaeogale : Palaeogale dorothiae30.8 - 26.3 Ma
Oligocene
Palaeolagus hypsodus
species
7Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus hypsodus30.8 - 26.3 Ma
Oligocene
Palaeolagus philoi
species
7Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : Palaeolagus philoi30.8 - 26.3 Ma
Oligocene
Centetodon magnus
species
7Animalia : Chordata : Mammalia : Lipotyphla : Geolabididae : Centetodon : Centetodon magnus30.8 - 26.3 Ma
Oligocene
Herpetotherium youngi
species
7Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Herpetotherium : Herpetotherium youngi30.8 - 26.3 Ma
Oligocene
Proscalops tertius
species
7Animalia : Chordata : Mammalia : Proscalopidae : Proscalops : Proscalops tertius30.8 - 26.3 Ma
Oligocene
Mesohippus intermedius
species
7Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Miohippus : Mesohippus intermedius30.8 - 26.3 Ma
Oligocene
Diceratherium annectens
species
7Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Diceratherium : Diceratherium annectens30.8 - 26.3 Ma
Oligocene
Downsimus chadwicki
species
7Animalia : Chordata : Mammalia : Rodentia : Allomyidae : Downsimus : Downsimus chadwicki30.8 - 26.3 Ma
Oligocene
Aplodontidae
family
5Animalia : Chordata : Mammalia : Rodentia : Aplodontidae30.8 - 26.3 Ma
Oligocene
Palaeocastor sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Castoridae : Palaeocastor30.8 - 26.3 Ma
Oligocene
Geringia mcgregori
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Geringia : Geringia mcgregori30.8 - 26.3 Ma
Oligocene
Leidymys blacki
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Leidymys : Leidymys blacki30.8 - 26.3 Ma
Oligocene
Proheteromys fedti
species
7Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Proheteromys fedti30.8 - 26.3 Ma
Oligocene
Heliscomys schlaikjeri
species
7Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Proharrymys : Heliscomys schlaikjeri30.8 - 26.3 Ma
Oligocene
Proheteromys ironcloudi
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Proheteromys : Proheteromys ironcloudi30.8 - 26.3 Ma
Oligocene

References

Swisher C. C. (1982) , Stratigraphy and biostratigraphy of the eastem portion of the Wildcat Ridge, westem Nebraska, 1-172
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
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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