Yermo: Barstovian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Equidae
Merychippus carrizoensis Dougherty 1940
recombined as Parapliohippus carrizoensis
Merychippus stylodontus (Merriam 1919)
original and current combination Merychippus calamarius stylodontus
Mammalia - Tayassuidae
Hesperhys vagrans Douglass 1903
Prothero 2015
from "Quarry 5 mi east of Yermo"
Mammalia - Palaeomerycidae
Rakomeryx yermonensis n. sp. Frick 1937
synonym of Rakomeryx sinclairi
from "quarry 5 mi. E of Yermo": Frick 1937
Mammalia - Antilocapridae
Ramoceros (Merriamoceros) coronatus (Merriam 1913)
Frick 1937
recombined as Merriamoceros coronatus
Mammalia - Carnivora - Amphicyonidae
Amphicyon cf. ingens Matthew 1924
Mammalia - Carnivora - Canidae
Osbornodon fricki Wang 1994
Wang 1994
Yermo Quarry, 5 mi E of Yermo and 1 mi NE of the Toomey railroad station
Cynarctoides acridens (Barbour and Cook 1914)
Wang et al. 1999
Yermo Quarry
Microtomarctus conferta (Matthew 1918)
Wang et al. 1999
Tomarctus hippophaga (Matthew and Cook 1909)
Wang et al. 1999
Yermo Quarry
see common names

Geography
Country:United States State/province:California County:San Bernardino
Coordinates: 34.8° North, 117.0° West (view map)
Paleocoordinates:34.1° North, 112.3° West
Basis of coordinate:based on political unit
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Barstovian
Age range of interval:15.97000 - 13.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Barstow
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:all taxa from "10 m below" the highest local occurrence of P. carrizoensis
Metadata
Database number:19616
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Research group:vertebrate
Created:1994-07-26 00:00:00 Last modified:2002-06-03 03:27:44
Access level:the public Released:1994-07-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3759. M. O. Woodburne, S. T. Miller, and R. H. Tedford. 1982. Stratigraphy and geochronology of Miocene strata in the central Mojave Desert, California. Geologic excursions in the California deserts and adjacent transverse ranges: fieldtrip guidebook and volume prepared for the joint meeting of the Cordilleran Section--GSA and Pacific Section--AAPG, April 9-11, 2001, Universal City, California : fieldtrips 1-4 47-64 [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]
6222 C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]
61396 D. R. Prothero. 2015. Evolution of the Early Miocene Hesperhyine Peccaries. New Mexico Museum of Natural History and Science Bulletin 67:235-255 [J. Marcot/J. Marcot]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]
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]