High Rock Canyon: Miocene, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Mammutidae
Miomastodon sp. Osborn 1922
synonym of Zygolophodon
DUPLICATE REF 3234 or 3235
Mammalia - Carnivora - Ursidae
Ursavus pawniensis Frick 1926
Hunt 1998
"High Rock Canyon 2, Washoe County"
Mammalia - Carnivora - Amphicyonidae
Amphicyoninae indet. Trouessart 1885
DUPLICATE REF 3234 or 3235
Mammalia - Carnivora - Canidae
Metatomarctus sp. Wang et al. 1999
Wang et al. 1999
two forms, A and B; "Tomarctus cf. optatus" and Stirton's second form of "Tomarctus"
Mammalia - Perissodactyla - Equidae
Hypohippus sp. (Leidy 1858)
original and current combination Anchitherium (Hypohippus)
DUPLICATE REF 3234 or 3235
Parahippus avus (Marsh 1874)
recombined as Desmatippus avus
DUPLICATE REF 3234 or 3235
Merychippus cf. brevidontus Bode 1935
DUPLICATE REF 3234 or 3235
Merychippus aff. gunteri Simpson 1930
small form of Merychippus close to gunteri DUPLICATE REF 3234 or 3235
Merychippus californicus Merriam 1915
confirmed by Downs 1961 DUPLICATE REF 3234 or 3235
Mammalia - Perissodactyla - Chalicotheriidae
Chalicotheriidae indet. Gill 1872
Coombs 1979
    = Moropus merriami Holland and Peterson 1913
Coombs 2004
UCMP 1106 and UCMP 1107
Mammalia - Perissodactyla - Rhinocerotidae
Aphelops sp. Owen 1845
confirmed by Munthe and Coombs 1979 DUPLICATE REF 3234 or 3235
Mammalia - Merycoidodontidae
Brachycrus laticeps (Douglass 1900)
Kelly and Lander 1988
"? Merycochoerus sp."
Ticholeptus zygomaticus Cope 1878
Kelly and Lander 1988
presumably "? Merychyus sp."; said to be from UCMP 3603, which is actually in the Orinda Fm.
Mammalia - Camelidae
Camelidae indet. Gray 1821
DUPLICATE REF 3234 or 3235
Mammalia - Moschidae
Blastomeryx mollis Merriam 1911
synonym of Problastomeryx primus
Mammalia - Antilocapridae
Merycodus nevadensis Merriam 1911
recombined as Paracosoryx nevadensis
Mammalia - Palaeomerycidae
Dromomeryx sp. Douglass 1909
    = Dromomerycinae indet. Frick 1937
Alroy 2002
DUPLICATE REF 3234 or 3235
Mammalia - Rodentia - Mylagaulidae
Mylagaulus sp. Cope 1878
    = Mylagaulidae indet. Cope 1881
Alroy 2002
DUPLICATE REF 3234 or 3235
see common names

Geography
Country:United States State/province:Nevada County:Humboldt
Coordinates: 41.1° North, 117.8° West (view map)
Paleocoordinates:41.8° North, 114.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5-6
*Period:Tertiary
Key time interval:Miocene
Age range of interval:23.03000 - 5.33300 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Museum repositories:UCMP
Metadata
Also known as:UCMP V-1107
DUPLICATE REF 3234 or 3235
Database number:18922
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:43
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
3234. 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]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1275 M. C. Coombs. 1979. Tylocephalonyx, a new genus of North American dome-skulled chalicotheres (Mammalia, Perissodactyla). Bulletin of the American Museum of Natural History 164(1):1-64 [J. Alroy/J. Alroy/M. Uhen]
17216 M. C. Coombs. 2004. Moropus merriami in the early Barstovian Lower Snake Creek fauna of Nebraska, with comments on biogeography of North American chalicotheres. Bulletin of the American Museum of Natural History 285:191-208 [J. Alroy/J. Alroy]
1976 R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]
2070 T. S. Kelly and E. B. Lander. 1988. Biostratigraphy and Correlation of Hemingfordian and Barstovian Land Mammal Assemblages, Caliente Formation, Cuyama Valley Area, California. In W. J. M. Bazeley (ed.), Tertiary Tectonics and Sedimentation in the Cuyama Basin, San Luis Obispo, Santa Barbara, and Ventura Counties, California 1-19 [J. Alroy/J. Alroy/J. Marcot]
59115 D. R. Prothero. 2011. Systematics of the Musk Deer (Artiodactyla: Moschidae: Blastomerycinae) From the Miocene of Nevada. New Mexico Museum of Natural History and Science, Bulletin 53:610-615 [J. Marcot/J. Marcot]
3558 X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]