Also known as Quarry 5; South of Pliohippus Draw
Where: Sioux County, Nebraska (42.4° N, 103.8° W)
• Paleocoordinates: 44.3° N, 100.5° W (Wright 2013)
• coordinate based on political unit
When: Johnson Member (Snake Creek Formation), Hemphillian (9.4 - 4.7 Ma)
Environment/lithology: terrestrial
Primary reference: M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 18323: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Jonathan Marcot
Creative Commons license: CC0 (CC0)
Taxonomic list
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Texoceros altidens Matthew 1924 pronghorn from lower Johnson Mbr. in "Pliohippus Draw"; said to be "S. of Pliohippus Draw" by Frick 1937
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"Dromomerycinae indet." = Dromomerycidae2
"Dromomerycinae indet." = Dromomerycidae2 Frick 1937 ruminant Frick (p.83) lists this specimen from "'The Pits' S. of Pliohippus Draw" under Cranioceras unicornis, but states "probably generically distinct"
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Neotragocerus improvisus Matthew and Cook 1909 antelope from lower Johnson Mbr. in "Pliohippus Draw"
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"Platygonus pollenae n. sp." = Platygonus brachirostris3
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Dinohippus leidyanus Osborn 1918 horse | |
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Epicyon saevus5 Leidy 1858 bone-crushing dog "'The Pits' south of Pliohippus Draw"; also "Sand channel, West Draw"
Epicyon haydeni5 Leidy 1858 bone-crushing dog "'The Pits,' south of Pliohippus Draw"; "Pliohippus Draw, Snake Creek Quarry"
Aelurodon taxoides5 Hatcher 1894 bone-crushing dog "East fork of Pliohippus Draw... middle Hipparion Affine Channel"; also "Ashbrook Pasture... Hipparion Affine Channel" and specimen from "Pliohippus Draw, Snake Creek Quarry" thought to be reworked from the Laucomer Member; however, only the Johnson Member is exposed in this area
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Megalonyx curvidens Matthew 1924 edentate | |
"Pliomastodon matthewi" = Mammut matthewi
"Pliomastodon matthewi" = Mammut matthewi Osborn 1921 mastodon | |
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