Dirty Creek Flats (Eocene of the United States)
Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.8° N, 95.1° W)
• coordinate based on political unit
When: Peanut Peak Member (Chadron Formation), Chadronian (37.2 - 33.9 Ma)
• member assignment based on LaGarry pers. commun. 19 May 2005
Environment/lithology: terrestrial
Primary reference: G. E. Ostrander. 1985. Correlation of the early Oligocene (Chadronian) in northwestern Nebraska. Dakoterra 2(2):205-231 [J. Alroy/J. Alroy/P. Holroyd]more details
PaleoDB collection 16940: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• NE 1/4 sec 26 T33N R53W
Show authors, comments, and common names
Mammalia | |
Daphoenictis sp. Hunt 1974 bear-dog | |
Hesperocyon sp. Scott 1890 canid | |
Equidae indet. Gray 1821 horse | |
Hyracodon nebraskensis Leidy 1850 odd-toed ungulate probably OK because Ostrander also recognizes H. priscidens
| |
Brontotheriidae indet. Marsh 1873 brontothere | |
Poebrotherium sp. Leidy 1847 camel | |
Merycoidodon sp. Leidy 1848 oreodont | |
Archaeotherium sp. Leidy 1850 even-toed ungulate | |
Tayassuidae indet. Palmer 1897 peccary | |
Pseudoprotoceras longinaris Cook 1934 protoceratid | |
Hypisodus minimus Cope 1873 ruminant | |
Leptomeryx sp. Leidy 1853 ruminant | |
Micropternodus borealis Matthew 1903 placental | |
Prosciurus vetustus Matthew 1903 mountain beaver | |
Sciuridae indet. Gray 1821 squirrel | |
? Leptotomus sp. Matthew 1910 rodent
Ischyromys veterior Matthew 1903 rodent | |
Adjidaumo minutus Cope 1873 rodent | |
Pseudocylindrodon neglectus Burke 1935 rodent | |
Megalagus brachyodon Matthew 1903 rabbit
Palaeolagus temnodon Douglass 1902 rabbit |