Split Rock (UCMP V-69191): Hemingfordian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Pleurodonta indet.
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Scarpetta 2021 | |||||||||
Peridiomys sp.
Matthew 1924
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= Mioheteromyinae indet.
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Alroy 2002 | |||||||||
Reptilia
- Iguanidae
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Phrynosoma ? douglassi
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Munthe 1979 | |||||||||
Reptilia
- Crotaphytidae
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? Sceloporus sp.
Wiegmann 1828
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Munthe 1979 | |||||||||
= Crotaphytidae indet.
Frost and Etheridge 1989
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Scarpetta 2021 | |||||||||
"Crotaphytidae incertae sedis Dentary morphotype 1" | ||||||||||
Reptilia
- Boidae
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Charina prebottae
Brattstrom 1958
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Munthe 1979 | |||||||||
Reptilia
- Loxocemidae
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Ogmophis cf. miocompactus
Holman 1976
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Munthe 1979 | |||||||||
Reptilia
- Colubridae
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Pseudocemophora cf. antiqua
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Munthe 1979 | |||||||||
Ameiseophis robinsoni
Holman 1976
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Munthe 1979 | |||||||||
Natricinae indet.
Bonaparte 1838
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Munthe 1979 | |||||||||
Reptilia
- Anguidae
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Gerrhonotus sp.
Wiegmann 1828
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Munthe 1979 | |||||||||
Reptilia
- Testudines
- Testudinidae
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Gopherus cf. edae
(Hay 1906)
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Munthe 1979 | |||||||||
Mammalia
- Rodentia
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Proheteromys sp.
Wood 1932
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= Geomyoidea indet.
Bonaparte 1845
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Heteromyidae
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Harrymys irvini
Munthe 1988
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Perognathus sp.
Maximillian 1839
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= Perognathinae indet.
Coues 1875
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Alroy 2002 | |||||||||
Schizodontomys harkseni
(Macdonald 1970)
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Mammalia
- Rodentia
- Sciuridae
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Miospermophilus wyomingensis
Black 1963
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Tamias sp.
Illinger 1811
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= cf. Nototamias sp.
Pratt and Morgan 1989
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Sutton and Korth 1995 | |||||||||
"may be" this genus; Lindsay 1972 considers this close to N. ateles, but Sutton 1972 compares it to the Thomas Farm form | ||||||||||
Protospermophilus kelloggi
Black 1963
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Mammalia
- Rodentia
- Zapodidae
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Plesiosminthus sabrae
(Black 1958)
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original and current combination Schaubeumys sabrae | ||||||||||
Mammalia
- Rodentia
- Mylagaulidae
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Mesogaulus novellus
(Matthew 1924)
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recombined as Galbreathia novellus | ||||||||||
Mesogaulus vetus
(Matthew 1924)
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recombined as Alphagaulus vetus | ||||||||||
confirmed by Korth 2000d | ||||||||||
Mammalia
- Lagomorpha
- Leporidae
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Leporidae indet.
Fischer de Waldheim 1817
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Hypolagus sp.
Dice 1917
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= Archaeolaginae indet.
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Alroy 2002 | |||||||||
? Desmatolagus schizopetrus
Dawson 1965
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Mammalia
- Lagomorpha
- Ochotonidae
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Oreolagus nebrascensis
McGrew 1941
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Mammalia
- Carnivora
- Canidae
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Tomarctus sp.
Cope 1873
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= Borophaginae indet.
Simpson 1945
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Alroy 2002 | |||||||||
Cynarctoides acridens
(Barbour and Cook 1914)
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confirmed by Wang et al. 1999 | ||||||||||
Tomarctus kelloggi
(Merriam 1911)
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recombined as Paracynarctus kelloggi | ||||||||||
confirmed by Wang et al. 1999 | ||||||||||
Mammalia
- Carnivora
- Procyonidae
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? Procyonidae indet.
Gray 1825
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Mammalia
- Carnivora
- Mustelidae
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Miomustela sp.
Hall 1930
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cf. Leptarctus sp.
Leidy 1856
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Mammalia
- Camelidae
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Camelidae indet.
Gray 1821
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Mammalia
- Merycoidodontidae
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Brachycrus vaughani
Schultz and Falkenbach 1940
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synonym of Brachycrus laticeps | ||||||||||
Brachycrus rusticus
(Leidy 1870)
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Mammalia
- Antilocapridae
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Merycodus cf. sabulonis
(Matthew and Cook 1909)
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recombined as Cosoryx (Paracosoryx) sabulonis | ||||||||||
Mammalia
- Palaeomerycidae
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cf. Barbouromeryx sp.
Frick 1937
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Mammalia
- Perissodactyla
- Chalicotheriidae
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Tylocephalonyx skinneri
Coombs 1979
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Mammalia
- Soricidae
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Limnoecus sp.
Stirton 1930
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Mammalia
- Proscalopidae
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Mesoscalops scopelotemos
Reed 1960
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Mammalia
- Erinaceidae
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Brachyerix macrotis
Matthew 1933
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Parvericius montanus
Koerner 1940
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Mammalia
- Chiroptera
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Chiroptera indet.
Blumenbach 1779
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a bat | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Fremont |
Coordinates: | 43.2° North, 108.2° West (view map) | ||||
Paleocoordinates: | 44.0° North, 104.6° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Burdigalian | 10 m.y. bin: | Cenozoic 5 |
*Period: | Late/Upper Tertiary | *Local age/stage: | Hemingfordian |
Key time interval: | Hemingfordian | ||
Age range of interval: | 18.50000 - 16.30000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Arikaree |
Lithology and environment
Primary lithology: | not reported |
Environment: | eolian indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Metadata
Also known as: | Second Bench | ||
Database number: | 19074 | ||
Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd |
Modifier: | P. Holroyd | Research group: | vertebrate |
Created: | 1993-09-27 00:00:00 | Last modified: | 2024-04-06 17:23:02 |
Access level: | the public | Released: | 1993-09-27 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2634. | 5% 16780 | J. Munthe. 1988. Miocene mammals of the Split Rock area, Granite Mountains basin, central Wyoming. University of California Publications in Geological Sciences 126:1-136 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
64367 | J. Munthe. 1979. Summary of Miocene vertebrate fossils of the Granite Mountains Basin, central Wyoming. Contributions to Geology, University of Wyoming 18(1):33-46 [P. Holroyd/P. Holroyd] | |
76463 | S. G. Scarpetta. 2021. Iguanian lizards from the Split Rock Formation, Wyoming: exploring the modernization of the North American lizard fauna. Journal of Systematic Palaeontology 1-31 [P. Holroyd/P. Holroyd] | |
3342 | J. F. Sutton and W. W. Korth. 1995. Rodents (Mammalia) from the Barstovian (Miocene) Anceney local fauna, Montana. Annals of Carnegie Museum 64(4):267-314 [J. Alroy/J. Alroy/M. Uhen] |