Also known as UCMP 1065, 1090, 1095
DUPLICATE REF 3234 or 3235
Where: Humboldt County, Nevada (41.1° N, 117.8° W: paleocoordinates 41.9° N, 114.7° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Virgin Valley Formation, Barstovian (16.3 - 12.5 Ma)
• spans a rhyolite vent dated at 15.72 +/- 0.07 Ma on biotite and overlies a rhyolite with a youngest date of 16.11 +/- 0.03 on sanidine (both SLCF 40Ar/39Ar)
Environment/lithology: terrestrial
Reposited in the UCMP
Primary reference: R. A. Stirton. 1940. The Nevada Miocene and Pliocene mammalian faunas as faunal units. Proceedings of the Sixth Pacific Science Congress 2:627-640 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 19103: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
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"Miomastodon merriami n. sp." = Miomastodon proavus6
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Bassariscus antiquus Matthew and Cook 1909 ringtail from UCMP 1095: see Hall 1927 DUPLICATE REF 3234 or 3235
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"Cynodesmus kelloggi n. sp." = Paracynarctus kelloggi, "Tomarctus optatus" = Protomarctus optatus
"Cynodesmus kelloggi n. sp." = Paracynarctus kelloggi Merriam 1911 bone-crushing dog UCMP 1065 DUPLICATE REF 3234 or 3235
"Tomarctus optatus" = Protomarctus optatus Matthew 1924 bone-crushing dog NOT confirmed by Wang et al. 1999! DUPLICATE REF 3234 or 3235
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Hypohippus cf. osborni, "Parahippus avus" = Desmatippus avus, Merychippus brevidontus, Merychippus cf. californicus
Merychippus cf. californicus Merriam 1915 horse assigned to "M. cf. seversus" by Downs 1961, but see Hulbert and MacFadden 1991 DUPLICATE REF 3234 or 3235
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"Blastomeryx mollis n. sp." = Problastomeryx primus
"Blastomeryx mollis n. sp." = Problastomeryx primus Matthew 1908 musk deer see Merriam 1911, Frick 1937 DUPLICATE REF 3234 or 3235
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Oreolagus nevadensis n. sp.
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Hypolagus parviplicatus n. sp.3
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Liodontia alexandrae n. sp.
Liodontia alexandrae n. sp. Furlong 1910 mountain beaver from UCMP 1090 also at UCMP 1095: see Gazin 1932 DUPLICATE REF 3234 or 3235
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