UNSM Sx-17 (Orella D): Orellan, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Florentiamyidae
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Ecclesimus tenuiceps
(Galbreath 1948)
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Korth 1989 | |||||||||
| Orella D | ||||||||||
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Mammalia
- Rodentia
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Diplolophus insolens
Troxell 1923
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Barbour and Stout 1939 | |||||||||
| "Orella C3" = D according to Schultz and Stout 1955 (3 measurements) | ||||||||||
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Mammalia
- Rodentia
- Ischyromyidae
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Ischyromys pliacus
Troxell 1922
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= Ischyromys typus
Leidy 1856
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Alroy 2002 | |||||||||
| replaces ID of Howe 1966 from Orella D | ||||||||||
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Mammalia
- Rodentia
- Geomyidae
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? Tenudomys basilaris n. sp.
Korth 1989
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Korth 1989 | |||||||||
| Orella D (3 measurements) | ||||||||||
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Mammalia
- Rodentia
- Heliscomyidae
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Heliscomys hatcheri
Wood 1935
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Korth 1989 | |||||||||
| Orella D; type also could be from this locality, as it is from Cottonwood Creek in Sioux Co. | ||||||||||
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Heliscomys vetus
Cope 1873
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Korth 1989 | |||||||||
| Orella D | ||||||||||
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Heliscomys mcgrewi n. sp.
Korth 1989
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Korth 1989 | |||||||||
| recombined as Megaheliscomys mcgrewi | ||||||||||
| Orella D (3 measurements) | ||||||||||
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Mammalia
- Rodentia
- Eomyidae
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Paradjidaumo trilophus
(Cope 1873)
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Korth 1989 | |||||||||
| recombined as Adjidaumo trilophus | ||||||||||
| Orella D | ||||||||||
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Mammalia
- Rodentia
- Aplodontidae
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Prosciurus magnus
Korth 1989
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Korth 1989 | |||||||||
| Orella D | ||||||||||
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Campestrallomys annectens
Korth 1989
|
Korth 1989 | |||||||||
| recombined as Ninamys annectens | ||||||||||
| Orella D | ||||||||||
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Mammalia
- Rodentia
- Sciuridae
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Cedromus wardi
Wilson 1949
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Korth and Emry 1991 | |||||||||
| Orella D | ||||||||||
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Protosciurus mengi
Black 1963
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Korth 1987 | |||||||||
| Orella D | ||||||||||
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Mammalia
- Lagomorpha
- Leporidae
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Palaeolagus burkei
Schlaikjer 1935
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Korth and Hageman 1988 | |||||||||
| Orella D | ||||||||||
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Palaeolagus haydeni
Leidy 1856
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Korth and Hageman 1988 | |||||||||
| Orella D | ||||||||||
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Megalagus turgidus
(Cope 1873)
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Korth and Hageman 1988 | |||||||||
| Orella D | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 43.6° North, 95.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| *Period: | Tertiary | ||
| Key time interval: | Orellan | ||
| Age range of interval: | 33.90000 - 31.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Museum repositories: | UNSM |
| Taxonomic list comments:sec 8 T33N R53W: Martin 1992 | |
Metadata
| Database number: | 17250 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1996-08-05 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
| Access level: | the public | Released: | 1996-08-05 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1815. | T. H. Heaton. 1993. The Oligocene Rodent Ischyromys of the Great Plains: Replacement Mistaken for Anagenesis. Journal of Paleontology 67(2) [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 1012 | E. H. Barbour and T. M. Stout. 1939. The White River Oligocene rodent Diplolphus. Bulletin of the Nebraska State Museum 2(3):29-36 [J. Alroy/J. Alroy] | |
| 2108 | W. W. Korth. 1987. Sciurid rodents (Mammalia) from the Chadronian and Orellan (Oligocene) of Nebraska. Journal of Paleontology 61(6):1247-1255 [J. Alroy/J. Alroy/J. Marcot] | |
| 2112 | W. W. Korth. 1989. Geomyoid rodents (Mammalia) from the Orellan (middle Oligocene) of Nebraska,. Los Angeles Museum of History, Science Series 33:31-46 [J. Alroy/J. Alroy/M. Uhen] | |
| 2114 | W. W. Korth. 1989. Aplodontid Rodents (Mammalia) from the Oligocene (Orellan and Whitneyan) Brule Formation, Nebraska. Journal of Vertebrate Paleontology 9(4):400-414 [J. Alroy/J. Alroy/J. Ju] | |
| 2146 | W. W. Korth and R. J. Emry. 1991. The Skull of Cedromus and a Review of the Cedromurinae (Rodentia, Sciuridae). Journal of Paleontology 65(6):948-994 [J. Alroy/J. Alroy/J. Ju] | |
| 2150 | W. W. Korth and J. Hageman. 1988. Lagomorphs (Mammalia) from the Oligocene (Orellan and Whitneyan) Brule Formation, Nebraska. Transactions of the Nebraska Academy of Sciences 16:141-152 [J. Alroy/J. Alroy/J. Marcot] |