From Wikipedia, the free encyclopedia
Fossil animals found in the western US
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 .[ 1]
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 .
Genera include:
Genus
Species
Clade
Epoch
Image
Notes
†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 .[ 2]
†Paracrax
†Bathornithidae
Closely related and similar to the conspecific Bathornis ; however, it seems to have occupied more arid environments.[ 3]
Genus
Species
Clade
Epoch
Image
Notes
†Poebrotherium
†P. wilsoni (type)
†P. chadronensis
†P. eximium
†P. franki
†P. labratum
Camelidae
Genus
Species
Clade
Epoch
Image
Notes
†Archaeocyon
†A. leptodus (type)
†A. pavidus
†A. falkenbachi
†Borophaginae
Oligocene
Genus
Species
Clade
Epoch
Image
Notes
†Dinictis
†Nimravidae
Eocene-Miocene
†Hoplophoneus
H. primaevus (type)
H. occidentalis
H. strigidens
H. cerebralis
H. dakotensis
H. oharrai
H. sicarius
†Nimravidae
Eocene-Oligocene
†Nimravus
†Nimravidae
Genus
Species
Clade
Epoch
Image
Notes
Alligator
Crocodilia
Eocene
†Peltosaurus
Anguidae
†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
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
^ Scott, W. B., & Jepsen, G. L. (1940). The Mammalian Fauna of the White River Oligocene: Part IV. Artiodactyla. Transactions of the American Philosophical Society, 28(4), 363–746. https://doi.org/10.2307/1005504
^ Wetmore, A. (1927). "Fossil Birds from the Oligocene of Colorado" (PDF) . Proceedings of the Colorado Museum of Natural History . 7 (2): 1–14.
^ Wetmore, A. (1927). "Fossil Birds from the Oligocene of Colorado" (PDF) . Proceedings of the Colorado Museum of Natural History . 7 (2): 1–14.
^ 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 .