Harris Ranch Unit A (Oligocene of the United States)
Where: Fall River County, South Dakota (43.2° N, 103.2° W: paleocoordinates 44.4° N, 95.0° W)
• coordinate based on political unit
When: lower Member (Brule Formation), Orellan (33.9 - 33.3 Ma)
• member-level stratigraphic resolution
Environment/lithology: terrestrial
Primary reference: W. F. Simpson. 1985. Geology and paleontology of the Oligocene Harris Ranch Badlands, southwestern South Dakota. Dakoterra 2(2):303-333 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17115: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• not clear what "? Miohippus sp." is
Show authors, comments, and common names
Mammalia | |
"Ischyromys pliacus" = Ischyromys typus
"Ischyromys pliacus" = Ischyromys typus Leidy 1856 rodent | |
"Eutypomys magnus" = Oligotheriomys magnus
"Eutypomys magnus" = Oligotheriomys magnus Wood 1937 beaver | |
Eumys sp. Leidy 1856 mouse
Eumys elegans Leidy 1856 mouse | |
Palaeolagus burkei Schlaikjer 1935 rabbit
Palaeolagus haydeni Leidy 1856 rabbit
Megalagus turgidus Cope 1873 rabbit | |
Centetodon wolffi Macdonald 1965 placental | |
Rhinocerotidae indet. Gray 1821 rhinoceros | |
Hyracodon nebraskensis Leidy 1850 odd-toed ungulate probably OK because Harris Ranch H. leidyanus material of Prothero 1996e is implicitly only from the Whitney
| |
"Miohippus bairdii" = Mesohippus bairdi
"Miohippus bairdii" = Mesohippus bairdi Leidy 1850 anchitheriine horse | |
"Poebrotherium cf. labiatum" = Paratylopus labiatus
"Poebrotherium cf. labiatum" = Paratylopus labiatus Cope 1881 camel | |
Hypertragulus cf. calcaratus Cope 1873 ruminant | |
Leptomeryx evansi Leidy 1853 ruminant | |
? Merycoidodon cf. bullatus Leidy 1869 oreodont
Miniochoerus affinis Leidy 1869 oreodont | |
? Hyaenodontidae indet. Leidy 1869 creodont |