Harris Ranch Unit C (Oligocene of the United States)
Where: Fall River County, South Dakota (43.2° N, 103.2° W: paleocoordinates 44.2° N, 95.7° W)
• coordinate based on political unit
When: Whitney Member (Brule Formation), Whitneyan (33.3 - 30.8 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 17337: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• possibly relevant: Merycoidodon major - "Genetochoerus chamberlaini" Schultz and Falkenbach 1968: "5 mi. NW. of Slim Butte" in "Brule Zone D" (could be Harris Ranch Units C or D) Leptauchenia major - "Hadroleptauchenia primitiva" Schultz and Falkenbach 1968: "7 miles northwest of Slim Butte" in "Brule Zone D"
Show authors, comments, and common names
Mammalia | |
"Proheteromys nebraskensis" = Kirkomys nebraskensis
"Proheteromys nebraskensis" = Kirkomys nebraskensis Wood 1937 rodent | |
Eumys sp. Leidy 1856 rodent
Eumys brachyodus Wood 1937 rodent
Scottimus sp. Wood 1937 rodent
Scottimus exiguus Wood 1937 rodent | |
Megalagus turgidus Cope 1873 rabbit
? Palaeolagus intermedius Matthew 1899 rabbit
Palaeolagus burkei Schlaikjer 1935 rabbit | |
Hesperocyon sp. Scott 1890 canid
Oxetocyon sp. Green 1954 bone-crushing dog | |
? Daphoenus sp. Leidy 1853 bear-dog | |
? Nimravidae indet. Cope 1880 false sabre-tooth | |
Hyaenodon cf. horridus Leidy 1853 creodont "cf. cruentus" - not clear why Mellett 1977 is contradicted by this i.d.
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Entelodontidae indet. Lydekker 1883 even-toed ungulate | |
Leptauchenia decora Leidy 1856 oreodont includes "L. cf. harveyi"; may include "Pithecistes tanneri" and L. decora of Schultz and Falkenbach 1968 from "7 miles northwest of Slim Butte" in "Brule Zone D"; L. decora from "5 mi. NW. of Slim Butte"; also their Brule D specimen from "Little Bad Lands, near Oelrichs"
? Merycoidodon cf. bullatus Leidy 1869 oreodont | |
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Hypisodus sp. Cope 1873 ruminant | |
Domnina gradata Cope 1873 shrew | |
Proscalops tertius Reed 1961 placental | |
Sinclairella cf. dakotensis Jepsen 1934 eutherian | |
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