Iron Canyon (Lower): Clarendonian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Geomyidae
Parapliosaccomys sp. Shotwell 1967
    = Geomyidae indet. Bonaparte 1845
Alroy 2002
Mammalia - Rodentia - Heteromyidae
Perognathus minutus James 1963
Cupidinimus tertius (Hall 1930)
Mammalia - Rodentia - Cricetidae
Copemys russelli (James 1963)
Copemys cf. longidens (Hall 1930)
Mammalia - Erinaceidae
Erinaceidae indet. Fischer von Waldheim 1817
"A"
Mammalia - Soricidae
Limnoecus sp. Stirton 1930
Mammalia - Perissodactyla - Rhinocerotidae
? Peraceras sp. Cope 1880
Stock and Furlong 1926
Last Chance Gulch, same level as type of I. mohavensis
Mammalia - Perissodactyla - Equidae
Megahippus matthewi (Barbour 1914)
Pliohippus tantalus (Merriam 1913)
original and current combination Protohippus tantalus
Mammalia - Antilocapridae
Paracosoryx furlongi (Frick 1937)
Mammalia - Merycoidodontidae
Ustatochoerus cf. profectus (Matthew and Cook 1909)
synonym of Ustatochoerus major
Mammalia - Carnivora - Amphicyonidae
Hadrocyon mohavensis n. gen., n. sp. Stock and Furlong 1926
Stock and Furlong 1926
synonym of Ischyrocyon gidleyi
includes type of Stock and Furlong 1926 from Last Chance Gulch
Mammalia - Carnivora - Canidae
Epicyon saevus (Leidy 1858)
confirmed by Wang et al. 1999: localities at this and higher levels include LACM 1414, 1553, 3458, 4696, 4790, and 5713
Mammalia - Proboscidea - Gomphotheriidae
Trilophodon sp. Falconer 1857
    = ? Gomphotherium sp. Burmeister 1837
Stock 1928
Last Chance Canon "not far below" the petrified tree level
see common names

Geography
Country:United States State/province:California County:Kern
Coordinates: 35.3° North, 118.5° West (view map)
Paleocoordinates:35.2° North, 114.3° West
Basis of coordinate:based on political unit
Time
Period:Neogene Epoch:Miocene
*Period:Tertiary
Key time interval:Clarendonian
Age range of interval:13.60000 - 10.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Dove Spring
Local section:DoveS Local bed:1
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:Mbr. 2 and lower part of Mbr. 3; = "U. profectus/ C. russelli" zone
based on Perkins et al. 1998, this interval includes the Ibex Hollow ash, dated at 11.93 +/- 0.03 Ma (Ar/Ar)
Iron Canyon, level unclear: Aphelops sp. Stock and Furlong 1926 from "below the lavas in the region of Scenic Canon"
petrified tree horizon is 25' below "Hadrocyon mohavensis" locality: Stock and Furlong 1926
Metadata
Database number:19383
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2009-12-20 13:08:20
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3627. D. P. Whistler and D. W. Burbank. 1992. Miocene biostratigraphy and biochronology of the Dove Spring Formation, Mojave Desert, California, and characterization of the Clarendonian mammal age (late Miocene) in California. Geological Society America Bulletin 104(6):644-658 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
3247 C. Stock. 1928. Canid and proboscidean remains from the Ricardo deposits, Mohave Desert, California. Carnegie Institution of Washington Publication 393(5):39-48 [J. Alroy/J. Alroy/J. Marcot]
3290 C. Stock and E. L. Furlong. 1926. New canid and rhinocerotid remains from the Ricardo Pliocene of the Mohave Desert, California. University of California Publications, Bulletin of the Department of Geological Sciences 16(2):43-60 [J. Alroy/J. Alroy/J. Marcot]