Stage Hill I: Harrisonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Lagomorpha
- Leporidae
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Archaeolagus sp.
Dice 1917
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Mammalia
- Rodentia
- Cricetidae
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Leidymys sp.
Wood 1936
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Mammalia
- Rodentia
- Allomyidae
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Alwoodia sp.
Rensberger 1983
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Mammalia
- Rodentia
- Heteromyidae
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Mookomys sp.
Wood 1931
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Mammalia
- Rodentia
- Castoridae
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Palaeocastor sp.
Leidy 1869
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Castoroidinae indet.
Allen 1877
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| said to be new | ||||||||||
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= Priusaulax browni n. sp.
Korth and Bailey 2006
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Korth and Bailey 2006 | |||||||||
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Mammalia
- Carnivora
- Canidae
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Cynarctoides acridens
(Barbour and Cook 1914)
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Phlaocyon sp.
Matthew 1899
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| said to be new | ||||||||||
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cf. Desmocyon sp.
Wang et al. 1999
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| said to be new | ||||||||||
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Mammalia
- Carnivora
- Mustelidae
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Zodiolestes sp.
Riggs 1942
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Mammalia
- Carnivora
- Ursidae
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Cephalogale sp.
Jourdan 1862
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Mammalia
- Carnivora
- Amphicyonidae
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Ysengrinia americana
(Wortman 1901)
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Hunt 2002 | |||||||||
| presumably Ysengrinia sp. of Bailey 2004 (1 measurement) | ||||||||||
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Mammalia
- Carnivora
- Palaeogalidae
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Palaeogale sp.
von Meyer 1846
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Mammalia
- Perissodactyla
- Equidae
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Kalobatippus agatensis
Osborn 1918
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Parahippus sp.
(Leidy 1858)
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| original and current combination Anchitherium (Parahippus) | ||||||||||
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Archaeohippus sp.
Gidley 1906
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Mammalia
- Perissodactyla
- Rhinocerotidae
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cf. Menoceras sp.
Troxell 1921
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Mammalia
- Perissodactyla
- Tapiridae
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Miotapirus harrisonensis
Schlaikjer 1937
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Mammalia
- Perissodactyla
- Chalicotheriidae
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Moropus sp.
Marsh 1877
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Mammalia
- Anthracotheriidae
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Arretotherium acridens
Douglass 1902
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Mammalia
- Merycoidodontidae
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Merychyus cf. siouxensis
Loomis 1924
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| synonym of Paramerychyus harrisonensis | ||||||||||
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Mammalia
- Palaeomerycidae
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Barbouromeryx sp.
Frick 1937
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| said to be new | ||||||||||
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Mammalia
- Moschidae
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Pseudoblastomeryx sp.
Tedford et al. 1987
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= Pseudoblastomeryx advena
Matthew 1907
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Prothero 2008 | |||||||||
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Mammalia
- Protoceratidae
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Syndyoceras cooki
Barbour 1905
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Mammalia
- Camelidae
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Oxydactylus sp.
Peterson 1904
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Michenia sp.
Frick and Taylor 1971
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Mammalia
- Tayassuidae
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Hesperhys sp.
Douglass 1903
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Mammalia
- Erinaceidae
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Parvericius sp.
Koerner 1940
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Mammalia
- Soricidae
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Pseudotrimylus sp.
Gureev 1971
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Scotts Bluff |
| Coordinates: | 41.7° North, 103.7° West (view map) | ||||
| Paleocoordinates: | 42.6° North, 98.7° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 4430 feet | ||||
| Geographic resolution: | small collection |
Time
| 10 m.y. bin: | Cenozoic 4-5 | ||
| *Period: | Late/Upper Tertiary | *Epoch: | Early/Lower Miocene | *Local age/stage: | Late/Upper Arikareean |
| Key time interval: | Harrisonian | ||
| Age range of interval: | 23.10000 - 18.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Arikaree | Formation: | Wildcat Hills Beds | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "late late Arikareean" (= Harrisonian) "upper Arikaree Group" | |||||
Lithology and environment
| Primary lithology: | "cross stratification" sandstone |
| Secondary lithology: | "cross stratification" conglomerate |
| Lithology description: "epiclastic sand and gravel" within a "crossbedded sand and gravel" sequence | |
| Environment: | "channel" |
| Geology comments: "fluvial channel fill" (Hunt 2002) | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Disassociated major elements: | some |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UNSM |
| Taxonomic list comments: fauna apart from mammals not discussed | |
Metadata
| Also known as: | Millenium's End Quarry; UNSM Sf-105; Wildcat Ridge | ||
| Database number: | 28043 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2003-01-21 20:41:27 | Last modified: | 2007-03-10 11:22:12 |
| Access level: | the public | Released: | 2003-01-21 20:41:27 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 19303. | B. E. Bailey. 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 [J. Alroy/J. Alroy] |
Secondary references:
| 7675 | R. M. Hunt, Jr. 2002. Intercontinental migration of Neogene amphicyonids (Mammalia, Carnivora): appearance of the Eurasian beardog Ysengrinia in North America. American Museum Novitates 3384:1-53 [J. Alroy/J. Alroy/J. Alroy] | |
| 55518 | W. W. Korth and B. E. Bailey. 2006. Earliest castoridine beaver (Rodentia, Castoridae) from the Late Arikareean (Early Miocene) of Nebraska. Annals of Carnegie Museum 75(4):237-245 [J. Marcot/J. Marcot] | |
| 51375 | D. R. Prothero. 2008. Systematics of the musk deer (Artiodactyla: Moschidae: Blastomerycinae) from the Miocene of North America. In S. G. Lucas, G. S. Morgan, J. A. Spielmann, D. R. Prothero (eds.), Neogene Mammals 44:207-223 [J. Marcot/J. Marcot/J. Marcot] |