White River Fauna

Summary

The White River Fauna are fossil animals found in the White River Badlands of South Dakota, Wyoming, Colorado and Nebraska in the United States including Badlands National Park.

The fossils have been found in the White River Formation, Chadron Formation, Brule Formation, and the Arikaree Formation.

Animals from the White River Badlands date from the Eocene, Oligocene, the Miocene, and the Pliocene Epochs.

List edit

Genera include:

Genus Species Clade Epoch Image Notes
Agnotocastor
  • A. praeteredens (type)
  • A. coloradensis
  • A. galushai
  • A. readingi
Castoridae Eocene-Miocene  
Alligator Crocodilia Eocene  
Archaeocyon
  • A. leptodus (type)
  • A. pavidus
  • A. falkenbachi
Borophaginae Oligocene  
Archaeotherium
  • A. mortoni (type)
Entelodontidae Oligocene  
Bathornis
  • B. veredus (type)
  • B. celeripes
  • B. cursor
  • B. fricki
  • B. geographicus
  • B. grallator
  • B. fax?
  • B. minor
Bathornithidae Eocene-Miocene   The type genus of the Bathornithidae, large predatory birds related to seriemas.[1]
Bothriodon
  • B. sp.
Anthracotheriidae  
Daeodon
  • D. shoshonensis (type)
  • D. humerosum?
†Entelodontidae Miocene  
Daphoneus
  • D. vetus (type)
  • D. hartshorianus
  • D. lambei
  • D. ruber
  • D. socialis
  • D. transversus
Amphicyonidae Eocene-Miocene  
Dinictis
  • D. felina (type)
Nimravidae Eocene-Miocene  
Eporeodon
  • E. major (type)
  • E. occidentalis
  • E. pygmyus
Merycoidodontidae Oligocene  
Hoplophoneus
  • H. primaevus (type)
  • H. occidentalis
  • H. strigidens
  • H. cerebralis
  • H. dakotensis
  • H. oharrai
  • H. sicarius
†Nimravidae Eocene-Oligocene  
Hyaenodon Hyaenodontidae  
Hypertragulus Hypertragulidae  
Hyracodon Hyracodontidae  
Ischyromys †Ischyromyidae  
Leptomeryx †Leptomerycidae   The most common fossil found in the area.[2]
Leptauchenia †Merycoidodontidae  
Megacerops Brontotheriidae  
Merycoidodon †Merycoidodontidae  
Mesohippus Equidae  
Metamynodon Amynodontidae  
Miniochoerus †Merycoidodontidae  
Miohippus Equidae  
Nimravus †Nimravidae  
Osbornodon Canidae
Palaeolagus Leporidae  
Paracrax †Bathornithidae Closely related and similar to the conspecific Bathornis; however, it seems to have occupied more arid environments.[3]
Parictis Amphicynodontinae
Peltosaurus Anguidae  
Poebrotherium
  • P. wilsoni (type)
  • P. chadronensis
  • P. eximium
  • P. franki
  • P. labratum
Camelidae  
Protapirus Tapiridae  
Protoceras Protoceratidae  
Stylemys
  • S. nebrascensis (type)
  • S. botti
  • S. calaverensis
  • S. canetotiana
  • S. capax
  • S. conspecta
  • S. copei
  • S. emiliae
  • S. frizaciana
  • S. karakolensis
  • S. neglectus
  • S. oregonensis
  • S. pygmea
  • S. uintensis
  • S. undabuna
Testudinidae  
Subhyracodon Rhinocerotidae  
Xenocranium
  • X. pileorivale (type)
Epoicotheriidae Oligocene  

See also edit

  • Category:White River Fauna

Further reading edit

  • Rachel Benton, The White River Badlands: Geology and Paleontology, Indiana University Press 2015
  • William Berryman Scott, A history of land mammals in the western hemisphere, MacMillan Publishing Company, 1913

References edit

  1. ^ Wetmore, A. (1927). "Fossil Birds from the Oligocene of Colorado" (PDF). Proceedings of the Colorado Museum of Natural History. 7 (2): 1–14.
  2. ^ Emry, Robert J. (1973). "Stratigraphy and Preliminary Biostratigraphy of the Flagstaff Rim Area, Natrona County, Wyoming". Smithsonian Contributions to Paleobiology (18): 1–43. doi:10.5479/si.00810266.18.1. ISSN 0081-0266.
  3. ^ Wetmore, A. (1927). "Fossil Birds from the Oligocene of Colorado" (PDF). Proceedings of the Colorado Museum of Natural History. 7 (2): 1–14.