Kew Quarry: Whitneyan - late Early Arikareean, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Testudinidae
Geochelone sp. Fitzinger 1835
Lander 1983
Gopherus neglectus n. sp. Brattstrom 1961
Brattstrom 1961
synonym of Stylemys nebrascensis
"C.I.T. Locality 126, Kew Quarry" (2 measurements)
Mammalia - Rodentia - Sciuridae
Sciuridae indet. Gray 1821
Wilson 1934
Mammalia - Rodentia - Cylindrodontidae
Ischyromyidae indet. Alston 1876
(1 measurement)
    = Sespemys thurstoni n. sp. Wilson 1934
Wilson 1934
Mammalia - Rodentia - Cricetidae
Paciculus sp. Cope 1879
Lander 1983
probably "Cricetid sp." of Wilson 1949c
Mammalia - Lagomorpha - Leporidae
Desmatolagus sp. Matthew and Granger 1923
    = Leporidae indet. Fischer de Waldheim 1817
Alroy 2002
replaces ID of Wilson 1949c; "? Palaeolagus
Mammalia - Carnivora - Amphicyonidae
Temnocyon cf. altigenis Cope 1878
    = Rudiocyon amplidens n. sp. Hunt 2011
Stock 1933
replaces "Temnocyon large species: Stock, 1933b: 36"
    = Temnocyon altigenis Cope 1878
Lander 1983
replaces ID of Stock 1933e; "T. sp."
    = Temnocyon cf. subferox Hunt 2011
Hunt 2011
Mammalia - Carnivora - Nimravidae
Hoplophoneus belli n. sp. Stock 1933
synonym of Hoplophoneus cerebralis
(3 measurements)
Nimravus meridianus n. sp. Stock 1933
synonym of Nimravus brachyops
Mammalia - Carnivora - Canidae
Mesocyon baileyi Stock 1933
synonym of Mesocyon brachyops
type of Stock 1933e; "M. sp."
Nothocyon pavidus n. sp. (Stock 1933)
    = Archaeocyon pavidus Stock 1933
Stock 1933
"Pseudocynodictis?"
Mammalia - Hypertragulidae
Hypertragulus fontanus n. sp. Stock 1935
Stock 1935
recombined as Nanotragulus fontanus
Mammalia - Anthracotheriidae
Bothriodon cf. brachyrhynchus (Osborn and Wortman 1894)
    = Elomeryx armatus Marsh 1894
Lander 1983
replaces ID of Stock 1935e; "E. sp." of Macdonald 1956b
Mammalia - Camelidae
Dyseotylopus migrans n. gen., n. sp. Stock 1935
Stock 1935
synonym of Miotylopus gibbi
type of Stock 1935e; "Camelidae indet."; "? Stenomylus campester" of Lander
Mammalia - Perissodactyla - Equidae
Miohippus sp. Marsh 1874
    = Miohippus annectens Marsh 1874
Lander 1983
see also Stock 1933d
Mammalia - Perissodactyla - Rhinocerotidae
Subhyracodon kewi n. sp. Stock 1933
of Stock 1933d "S. sp." (3 measurements)
see common names

Geography
Country:United States State/province:California County:Ventura
Coordinates: 34.3° North, 119.0° West (view map)
Paleocoordinates:32.8° North, 110.4° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
*Period:Tertiary *Epoch:Oligocene
Key time interval:Whitneyan - late Early Arikareean
Age range of interval:31.80000 - 18.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Sespe
Stratigraphic resolution:group of beds
Stratigraphy comments: fossils are from a single "horizon"
Lithology and environment
Primary lithology:red claystone
Secondary lithology:green sandstone
Lithology description: "maroon-colored clays and greenish sandstones"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:CIT
Taxonomic list comments:see also Lander 1983
Metadata
Also known as:CIT 126; UCMP V-4215
Database number:17527
Authorizer:J. Alroy, J. Marcot, P. Holroyd Enterer:J. Alroy, J. Marcot, P. Holroyd
Modifier:J. Marcot Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2023-09-27 19:01:45
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

6287. C. Stock. 1932. An upper Oligocene mammalian fauna from southern California. Proceedings of the National Academy of Sciences 18(8):550-554 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
697 B. H. Brattstrom. 1961. Some new fossil tortoises from western North America with remarks on the zoogeography and paleoecology of tortoises. Journal of Paleontology 35(3):543-560 [J. Alroy/M. Sommers/J. Alroy]
52421 R. M. Hunt, Jr. 2011. Evolution of Large Carnivores During the Mid-Cenozoic of North America: The Temnocyonine Radiation (Mammalia, Amphicyonidae). Bulletin of the American Museum of Natural History 358:1-153 [J. Marcot/J. Marcot]
2205 E. B. Lander. 1983. Continental Vertebrate Faunas from the Upper Member of the Sespe Formation, Simi Valley, California, and the terminal Eocene Event. In R. R. Squires, M. V. Filewicz (eds.), Cenozoic Geology of the Simi Valley Area, Southern California, SEPM Fall Field Trip Volume and Guidebook 142-144 [J. Alroy/J. Alroy/P. Holroyd]
28055% 6280D. R. Prothero. 1996. Camelidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 609-651 [J. Alroy/J. Alroy/J. Marcot]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3258 C. Stock. 1933. Carnivora from the Sespe of the Las Posas Hills, California. Carnegie Institution of Washington Publication 440(4):29-41 [J. Alroy/J. Alroy/J. Alroy]
3271 C. Stock. 1935. Artiodactyla From the Sespe of the Las Posas Hills, California. Carnegie Institution of Washington Publication 453(8):119-125 [J. Alroy/J. Alroy/J. Marcot]
3678 R. W. Wilson. 1934. Two Rodents and a Lagomorph from the Sespe of the Las Posas Hills, California. Carnegie Institution of Washington Publication 453(2):11-17 [J. Alroy/J. Alroy/M. Uhen]