Quinn Draw (Lower Nodular Zone): Orellan, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Canidae
Hesperocyon gregarius (Cope 1873)
Wang 1994
Quinn Draw, base and "near top" of lower nodular zone
Mammalia - Leptochoeridae
Nanochoerus elegans n. sp. Macdonald 1955
Macdonald 1955
recombined as Leptochoerus elegans
"lower Oreodon zone, Quinn Draw Basin, Pennington Co."
Mammalia - Merycoidodontidae
Miniochoerus gracilis (Leidy 1851)
Schultz and Falkenbach 1956
"head of Quinn Draw" Brule Zone A
Merycoidodon culbertsoni (Leidy 1848)
Schultz and Falkenbach 1968
original and current combination Merycoidodon culbertsonii
"Merycoidodon culbertsoni osborni": "head of Quinn Draw" Brule Zone A; also includes their "Paramerycoidodon georgei" from "head of Quinn Draw"; "Genetochoerus periculorum" from "head of Quinn Draw"; all Brule Zone A
Mammalia - Perissodactyla - Equidae
Mesohippus bairdi (Leidy 1850)
Forsten 1970
two localities within 1 mi E of the head of Quinn Draw in the LNZ
Mammalia - Perissodactyla - Tapiridae
Colodon occidentalis (Leidy 1868)
Sinclair 1924
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon arcidens Cope 1873
Sinclair 1924
    = Hyracodon sp. Leidy 1856
Alroy 2002
new specimen, compared to type of "H. selenidens" but only on basis of small size
Mammalia - Rodentia - Ischyromyidae
Ischyromys parvidens Miller and Gidley 1920
Wood 1937
    = Ischyromys sp. Leidy 1856
Alroy 2002
"Lower Oreodon Beds, Quinn Draw" DUPLICATE REF 3725 or 3745
Mammalia - Rodentia - Eutypomyidae
Eutypomys thomsoni n. sp. Matthew 1905
"Lower Oreodon Beds... on Quinn Draw"
Reptilia
Peltosaurus granulosus Cope 1873
Gilmore 1928 1 specimen
PU 10988, median portions of both rami with numerous fragments of skull dermal scutes and vertebrae. "lower oreodon beds", coll. Hatcher 1894
see common names

Geography
Country:United States State/province:South Dakota County:Shannon
Coordinates: 43.3° North, 102.5° West (view map)
Paleocoordinates:44.4° North, 94.3° 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:Orellan
Age range of interval:33.90000 - 31.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Brule Member:Scenic
Local section:BgBad Local bed:4
Local order:bottom to top
Stratigraphic resolution:member
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Taxonomic list comments:most of Quinn Draw is in Shannon Co., formerly Washington Co.; the very last mile of it is in Pennington Co.
Metadata
Database number:17162
Authorizer:J. Alroy, P. Barrett Enterer:J. Alroy, T. Cleary
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
2463. W. D. Matthew. 1905. Notice of two new genera of mammals from the Oligocene of South Dakota. Bulletin of the American Museum of Natural History 21(3):21-26 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1498 A. -M. Forsten. 1970. Variation in and between three populations of Mesohippus bairdii Leidy from the Big Badlands, South Dakota. Acta Zoologica Fennica 126:1-16 [J. Alroy/J. Alroy/M. Uhen]
14538 C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano]
2344 J. R. Macdonald. 1955. The Leptochoeridae. Journal of Paleontology 29(3):439-459 [J. Alroy/J. Alroy/M. Carrano]
3068 C. B. Schultz and C. H. Falkenbach. 1956. Miniochoerinae and Oreonetinae two new subfamilies of oreodonts. Bulletin of the American Museum of Natural History 109(4):373-482 [J. Alroy/J. Alroy/J. Marcot]
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]
3170 W. J. Sinclair. 1924. The Faunas of the Concretionary Zones of the Oreodon Beds, White River Oligocene. Proceedings of the American Philosophical Society 63(1):94-133 [J. Alroy/J. Alroy/J. Marcot]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]
3725 A. E. Wood. 1937. The Mammalian Fauna of the White River Oligocene: Part II. Rodentia. Transactions of the American Philosophical Society 28(2):155-269 [J. Alroy/J. Alroy/J. Marcot]