Morava Ranch Quarry: Harrisonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Anseriformes
- Anatidae
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Anatidae indet.
Vigors 1825
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Coombs and Coombs 1997 | |||||||||
| ETE occurrence; species: Anatidae | ||||||||||
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Mammalia
- Rodentia
- Castoridae
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cf. Palaeocastor sp.
Leidy 1869
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1 specimen | |||||||||
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Mammalia
- Carnivora
- Amphicyonidae
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Cynelos sp.
Jourdan 1862
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1 specimen | |||||||||
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cf. Daphoenodon sp.
Peterson 1909
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1 specimen | |||||||||
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? Ysengrinia sp.
Ginsburg 1965
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4 specimens | |||||||||
| (3 measurements) | ||||||||||
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= Ysengrinia americana
Wortman 1901
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Hunt 2002 | |||||||||
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Mammalia
- Carnivora
- Canidae
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Desmocyon thomsoni
(Matthew 1907)
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Wang et al. 1999 | |||||||||
| "Morava Ranch" | ||||||||||
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Phlaocyon sp.
Matthew 1899
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7 specimens | |||||||||
| not discussed by Wang et al. 1999 | ||||||||||
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Mammalia
- Merycoidodontidae
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Phenacocoelus stouti
Schultz and Falkenbach 1950
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20 specimens | |||||||||
| recombined as Merycoides stouti | ||||||||||
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Mammalia
- Moschidae
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Blastomeryx olcotti
Matthew 1908
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7 specimens | |||||||||
| synonym of Problastomeryx primus | ||||||||||
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Mammalia
- Hypertragulidae
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cf. Nanotragulus sp.
Lull 1922
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Coombs and Coombs 1997 | 1 specimen | ||||||||
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Mammalia
- Entelodontidae
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Dinohyus hollandi
(Peterson 1905)
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7 specimens | |||||||||
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Mammalia
- Camelidae
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cf. Michenia sp.
Frick and Taylor 1971
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1 specimen | |||||||||
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Stenomylus sp.
Peterson 1907
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2 specimens | |||||||||
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Mammalia
- Perissodactyla
- Equidae
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cf. Kalobatippus agatensis
Osborn 1918
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66 specimens | |||||||||
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Parahippus pawniensis
Gidley 1907
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36 specimens | |||||||||
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= Parahippus atavus
Osborn 1918
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Coombs and Coombs 1997 | |||||||||
| original and current combination Parahippus pawniensis atavus | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Menoceras arikarense
(Barbour 1906)
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58 specimens | |||||||||
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Menoceras barbouri
(Wood 1964)
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Prothero 2005 | |||||||||
| "0.25 miles west of Stenomylus Quarry, Morava Ranch" | ||||||||||
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Diceratherium annectens
(Marsh 1873)
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Prothero 1989 | 41 specimens | ||||||||
| pers. comm.: "D. cf. niobrarense" | ||||||||||
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Diceratherium niobrarense
(Peterson 1906)
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Prothero 2005 | |||||||||
| original and current combination Diceratherium niobrarensis | ||||||||||
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Mammalia
- Perissodactyla
- Chalicotheriidae
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Moropus elatus
Marsh 1877
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311 specimens | |||||||||
| may include type from "18 mi east of Agate": see discussion in Coombs 1978b | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Box Butte |
| Coordinates: | 42.2° North, 103.1° West (view map) | ||||
| Paleocoordinates: | 43.0° North, 98.0° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| 10 m.y. bin: | Cenozoic 4-5 | ||
| *Period: | Tertiary | *Epoch: | Miocene |
| Key time interval: | Harrisonian | ||
| Age range of interval: | 23.10000 - 18.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 568 specimens |
| Taxonomic list comments:not clear from local stratigraphy if this is in the Upper Harrison or Harrison, contra Yatkola 1978, who believed it to be in the Harrison sensu stricto NISP 693 according to Coombs 1984, but only 568 are generically or specifically identifiable according to Coombs and Coombs 1997 | |
Metadata
| Database number: | 17805 | ||
| Authorizer: | J. Alroy, A. Behrensmeyer, J. Marcot | Enterer: | J. Alroy, A. Behrensmeyer, J. Marcot | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1276. | M. C. Coombs. 1984. National Geographic Society Research Reports 16 [J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 1278 | M. C. Coombs and W. P. Coombs, Jr. 1997. Analysis of the geology, fauna, and taphonomy of Morava Ranch Quarry, Early Miocene of northwest Nebraska. Palaios 12:165-187 [J. Alroy/J. Alroy/J. Marcot] | |
| 6328 | D. R. Prothero. 1989. Personal communication regarding rhinocerotid identifications. [J. Alroy/J. Alroy/J. Alroy] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
| 3558 | X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy] |