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

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Castoridae
Oligotheriomys magnus n. sp. (Wood 1937)
"East Fork of Big Corral Draw... lower concretionary level"
Mammalia - Creodonta - Hyaenodontidae
Hyaenodon mustelinus n. sp. Scott 1894
Sinclair 1924
not from Protoceras beds contra Scott; Corral Draw
Mammalia - Carnivora - Canidae
Cynodictis gregarius (Cope 1873)
Sinclair 1924
recombined as Hesperocyon gregarius
Corral Draw
Mammalia - Carnivora - Amphicyonidae
Daphoenus vetus Leidy 1853
Sinclair 1924
Corral Draw; at least one of 7 specimens
Mammalia - Carnivora - Nimravidae
Hoplophoneus robustus Adams 1896
Sinclair 1924
synonym of Hoplophoneus primaevus
Corral Draw (1 measurement)
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon nebraskensis (Leidy 1850)
Prothero 1996
LNZ, Big Corral Draw; based on measurements, includes specimen of "H. apertus" of Sinclair 1922c from LNZ in Corral Draw
Mammalia - Entelodontidae
Archaeotherium sp. Leidy 1850
Sinclair 1922
close to "A. ingens"; LNZ in Corral Draw
Archaeotherium mortoni Leidy 1850
Sinclair 1922
LNZ in Corral Draw
Mammalia - Merycoidodontidae
Miniochoerus gracilis (Leidy 1851)
Schultz and Falkenbach 1956
West Big Corral Draw, Brule Zone A
Platyochoerus platycephalus (Thorpe 1921)
Schultz and Falkenbach 1956
synonym of Miniochoerus affinis
Big Corral Draw, Brule Zone A
Merycoidodon culbertsoni (Leidy 1848)
Schultz and Falkenbach 1968
original and current combination Merycoidodon culbertsonii
Big Corral Draw, West Big Corral Draw, E. Fork Big Corral Draw, and "between Big and Little Corral Draws"; also their "M. culbertsoni osborni" from Big Corral Draw and "between Big and Little Corral Draws"; "Paramerycoidodon georgei" from Big Corral Draw; "Otionohyus wardi" from "1 1/2 mi. S."; "N."; and "1/2 mi. N." of Cottonwood Pass and Big Corral Draw; "Genetochoerus periculorum" from "between Big and Little Corral Draws"; all Brule Zone A
Reptilia - Testudines
Testudo thomsoni n. sp. Hay 1908
Hay 1908
synonym of Gopherus laticuneus
AMNH 3940 (holotype), a skull, shell fragments, and associated appendicular elements (Hay 1908, pl. 66.1–5)
Reptilia
Peltosaurus granulosus Cope 1873
Sinclair 1924 1 specimen
"from the lower concretionary zone in Corral Draw" PU 12654, portions of maxilla and ramus with numerous dermal scutes - Gilmore 1928 (14538)
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:stratigraphic position uncertain: Parictis sp. Hunt 1998a: "Scenic Member... Big Corral Draw, Shannon County"
"Poebrotherium eximium" Sinclair 1924: "Corral Draw... presumably from the lower concretionary zone"; however, the Chadron is well-exposed and fossiliferous in Corral Draw
Metadata
Database number:17092
Authorizer:J. Alroy, E. Vlachos Enterer:J. Alroy, E. Vlachos
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2141. W. W. Korth. 2000. A new species of Eutypomys Matthew (Rodentia, Eutypomyidae) from the Orellan (Oligocene) and reevaluation of “Eutypomys” magnus Wood. Paludicola 2(4):273-278 [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]
14442ETE O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]
6272 D. R. Prothero. 1996. Hyracodontidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 652-663 [J. Alroy/J. Alroy/J. Alroy]
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]
3167 W. J. Sinclair. 1922. Entelodonts from the Big Badlands of South Dakota in the geological museum of Princeton University. Proceedings of the American Philosophical Society 60:467-495 [J. Alroy/J. Alroy/J. Alroy]
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]