Also known as UNSM Kx-111
Where: Knox County, Nebraska (42.8° N, 97.8° W: paleocoordinates 43.1° N, 96.1° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Late/Upper Hemphillian (10.3 - 4.9 Ma)
• FT glass date of 5.0 +/- 0.2 Ma directly overlies site
• member-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UNSM
Collection methods: bulk, sieve
Primary reference: M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 18359: authorized by John Alroy, entered by John Alroy on 05.08.1992
Creative Commons license: CC BY (attribution)
Taxonomic list
•based on Voorhies 1988, three localities separated by at least 50 feet of section are represented
Mammalia | |
Megalonyx cf. curvidens Matthew 1924 edentate | |
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Hypolagus regalis Hibbard 1939 rabbit
Hypolagus ringoldensis Gustafson 1978 rabbit | |
Neotoma cf. sawrockensis Hibbard 1967 pack rat
Baiomys sp. True 1894 pygmy mouse
Repomys gustelyi May 1981 mouse
Paronychomys sp. Jacobs 1977 mouse | |
"Marmota vetus" = Arctomys vetus, Spermophilus cf. matthewi, Spermophilus cf. shotwelli, Paenemarmota sawrockensis
"Marmota vetus" = Arctomys vetus Marsh 1871 marmot
Spermophilus cf. matthewi Black 1963 ground squirrel
Spermophilus cf. shotwelli Black 1963 ground squirrel
Paenemarmota sawrockensis Hibbard 1964 squirrel | |
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Thomomys sp. Wied-Neuwied 1839 pocket gopher | |
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Castor cf. californicus Kellogg 1911 beaver
Dipoides sp. Jaeger 1835 beaver | |
Vulpes sp. Frisch 1775 fox
Canis cf. lepophagus Johnston 1938 canine | |
Lontra sp.1, Pliotaxidea garberi, Martes sp., Plesiogulo cf. lindsayi, Mustela cf. rexroadensis, Sminthosinis sp., Trigonictis sp.
Pliotaxidea garberi Wagner 1976 badger
Plesiogulo cf. lindsayi Harrison 1981 mustelid carnivore
Mustela cf. rexroadensis Hibbard 1950 weasel
Sminthosinis sp. Bjork 1970 mustelid carnivore
Trigonictis sp. Hibbard 1941 mustelid carnivore | |
Martinogale alveodens Hall 1930 skunk
Buisnictis schoffi Hibbard 1954 skunk
Brachyopsigale cf. dubius Hibbard 1954 skunk | |
Agriotherium sp. Wagner 1837 bear | |
"Lynx cf. rexroadensis" = Felis rexroadensis1
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Neohipparion cf. eurystyle Cope 1893 hipparionine horse
Nannippus lenticularis Cope 1893 hipparionine horse
Dinohippus sp. Quinn 1955 horse | |
Aphelops cf. mutilus Matthew 1924 rhinoceros
Teleoceras sp. Hatcher 1894 rhinoceros | |
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Pediomeryx sp. Stirton 1936 ruminant | |
Antilocapridae indet. Gray 1866 pronghorn | |
Megacamelus cf. merriami, "Hemiauchenia cf. vera" = Pleiolama vera
Megacamelus cf. merriami Frick 1921 camel
"Hemiauchenia cf. vera" = Pleiolama vera Matthew 1909 camel | |
Platygonus sp. Leconte 1848 peccary | |
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cf. Parascalops sp. True 1894 mole
cf. Scalopoides sp. Wilson 1960 mole | |
Paracryptotis sp. Hibbard 1950 red-toothed shrew
cf. Petenyia sp. Kormos 1934 red-toothed shrew | |
Gomphotheriidae indet. Hay 1922 gomphothere | |
Reptilia | |
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Thamnophis sp.4, Heterodon sp.4, Colubrinae indet.4, Lampropeltis getulus4, Pituophis melanoleucus4, Elaphe obsoleta4
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Amphibia | |
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