East of Rockyford (Protoceras Channels): Whitneyan, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Castoridae
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Agnotocastor praetereadens n. sp.
Stirton 1935
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Stirton 1935 | |||||||||
from "Cheyenne River, White River formation, South Dakota"; referred specimens from "near Rockyford" mentioned by Xu 1996 | ||||||||||
Mammalia
- Carnivora
- Canidae
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Oxetocyon cuspidatus n. sp.
Green 1954
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Green 1954 | |||||||||
from "7 mi. E of Rockyford, Shannon Co." | ||||||||||
Mammalia
- Carnivora
- Nimravidae
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Nimravus altidens n. sp.
Macdonald 1950
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Macdonald 1950 | |||||||||
= Nimravus brachyops
Cope 1878
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Alroy 2002 | |||||||||
from "7 mi. E of Rockyford, Shannon Co." | ||||||||||
Mammalia
- Perissodactyla
- Tapiridae
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Protapirus simplex
Wortman and Earle 1893
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Albright 1998 | |||||||||
SDSM specimen from Protoceras sandstones 12 km (= 7 mi) E of Rockyford (5 measurements) | ||||||||||
Mammalia
- Merycoidodontidae
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Pseudocyclopidius frankforteri
Schultz and Falkenbach 1968
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Schultz and Falkenbach 1968 | |||||||||
= Leptauchenia major
Leidy 1856
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Alroy 2002 | |||||||||
"7 mi. E. of Rockyford" in Brule Zone D | ||||||||||
Mammalia
- Leptochoeridae
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Leptochoerus supremus n. sp.
Macdonald 1955
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Macdonald 1955 | |||||||||
from "7 mi. E of Rockyford, Shannon Co." | ||||||||||
Mammalia
- Erinaceidae
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Apternodus bicuspis
Macdonald 1951
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Macdonald 1951 | |||||||||
= Proterix bicuspis
Macdonald 1951
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Alroy 2002 | |||||||||
from "7 mi. E of Rockyford, Shannon Co." | ||||||||||
Proterix loomisi
Matthew 1903
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from "7 mi. E of Rockyford, Shannon Co." | ||||||||||
Reptilia
- Gruiformes
- Bathornithidae
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Bathornis geographicus
Wetmore 1942
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Cracraft 1971 | 1 specimen | ||||||||
S.D.S.M. No. 40155 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Shannon |
Coordinates: | 43.3° North, 102.5° West (view map) | ||||
Paleocoordinates: | 44.3° North, 95.0° West | ||||
Basis of coordinate: | based on political unit |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
*Period: | Tertiary | ||
Key time interval: | Whitneyan | ||
Age range of interval: | 31.80000 - 29.50000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection excludes: | some genera |
Taxonomic list comments:possibly relevant: Merycoidodon bullatus - "Genetochoerus geygani" Schultz and Falkenbach 1968: "about five miles east of Rocky Ford Bridge" possibly in the "Upper Oreodon Zone" |
Metadata
Database number: | 17329 | ||
Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd | Research group: | vertebrate |
Created: | 1995-10-18 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
Access level: | the public | Released: | 1995-10-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1586. | C. E. Gawne. 1968. The genus Proterix (Insectivora, Erinaceidae) of the Upper Oligocene of North America. American Museum Novitates 2315 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
935 | L. B. Albright. 1998. New genus of tapir (Mammalia: Tapiridae) from the Arikareean (earliest Miocene) of the Texas Coastal Plain. Journal of Vertebrate Paleontology 18(1):200-217 [J. Alroy/J. Alroy/P. Wagner] | |
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
67262 | J. Cracraft. 1971. Systematics and Evolution of the Gruiformes (Class Aves) 2. Additional Comments on the Bathornithidae, with descriptions of new species. American Museum Novitates (2449)1-13 [P. Holroyd/P. Holroyd] | |
1705 | M. Green. 1954. A Cynarctine from the Upper Oligocene of South Dakota. Transactions of the Kansas Academy of Sciences 57(2):218-220 [J. Alroy/J. Alroy/M. Uhen] | |
2341 | J. R. Macdonald. 1950. A new species of Nimravus from the upper Oligocene of South Dakota. Journal of Paleontology 24(5):601-603 [J. Alroy/J. Alroy/J. Marcot] | |
2342 | J. R. Macdonald. 1951. Additions to the Whitneyan fauna of South Dakota. Journal of Paleontology 25(3):257-265 [J. Alroy/J. Alroy/M. Carrano] | |
2344 | J. R. Macdonald. 1955. The Leptochoeridae. Journal of Paleontology 29(3):439-459 [J. Alroy/J. Alroy/M. Carrano] | |
3069 | C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [J. Alroy/J. Alroy/J. Marcot] | |
3230 | R. A. Stirton. 1935. A review of the Tertiary beavers. University of California Publications, Bulletin of the Department of Geological Sciences 23(13):391-458 [J. Alroy/J. Alroy/M. Uhen] |