Brea Canyon (Bed CS2): Uintan, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Perissodactyla
- Amynodontidae
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Rhinocerotoidea indet.
Gray 1821
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= Amynodon cf. advenus
Marsh 1875
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Kelly 1990 | |||||||||
Mammalia
- Protoceratidae
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Leptoreodon aff. leptolophus
Golz 1976
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= Leptoreodon stocki
Kelly 1990
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Kelly 1990 | |||||||||
Mammalia
- Agriochoeridae
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Protoreodon pumilus
(Marsh 1875)
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NISP not stated by Golz 1976 | ||||||||||
Mammalia
- Oromerycidae
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? Protylopus robustus
Golz 1976
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3 specimens | |||||||||
CIT 207, see Golz 1976 | ||||||||||
Protylopus stocki
Golz 1976
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2 specimens | |||||||||
CIT 207, see Golz 1976 | ||||||||||
Mammalia
- Diacodexeidae
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Tapochoerus egressus
(Stock 1934)
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apparently not documented anywhere | ||||||||||
Mammalia
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Plesiomiacis progressus n. sp.
(Stock 1935)
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2 specimens | |||||||||
recombined as Procynodictis progressus | ||||||||||
from CIT 207: see Stock 1935b (5 measurements) | ||||||||||
Mammalia
- Sespedectidae
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Sespedectes singularis
Stock 1935
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6 specimens | |||||||||
Novacek 1976 | ||||||||||
Proterixoides sp.
Stock 1935
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12 specimens | |||||||||
= Proterixoides davisi
Stock 1935
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Novacek 1985 | |||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Leptotomus tapensis
(Wilson 1940)
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1 specimen | |||||||||
= Tapomys sp.
Wood 1962
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Kelly 1990 | |||||||||
may include "L. sp." ( of Wilson 1940a and/or "Rapamys sp. A" of Wood 1962, which was referred to "Leptotomus tapensis" by Black 1971 | ||||||||||
Rapamys fricki n. sp.
Wilson 1940
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3 specimens | |||||||||
from CIT 207: Wilson 1940a (4 measurements) | ||||||||||
Mytonomys burkei
(Wilson 1940)
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4 specimens | |||||||||
presumably includes "Leptotomus nr. burkei" of Wilson 1940a from CIT 207 and may include one of Wilson's specimens referred to "Rapamys sp. A" by Wood 1962 | ||||||||||
Eohaplomys serus n. sp.
Stock 1935
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1 specimen | |||||||||
from CIT 207: see Stock 1935a; (1 measurement) | ||||||||||
Mammalia
- Rodentia
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Griphomys alecer n. sp.
Wilson 1940
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1 specimen | |||||||||
from CIT 207: Wilson 1940b | ||||||||||
Mammalia
- Rodentia
- Cylindrodontidae
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Pareumys aff. milleri
Peterson 1919
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Kelly 1990 | 3 specimens | ||||||||
new specimen, includes "P. sp." ( +1 = 4) of Wilson 1940c from CIT 207 | ||||||||||
Mammalia
- Rodentia
- Simimyidae
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Simimys simplex
(Wilson 1935)
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4 specimens | |||||||||
Lillegraven and Wilson 1977; includes type and referred specimen of "Eumysops vetus" from CIT 207 of Wilson 1935a | ||||||||||
Mammalia
- Primates
- Omomyidae
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Dyseolemur pacificus
Stock 1934
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at LACM 5616, see Kelly and Whistler 1994 | ||||||||||
Reptilia
- Lacertilia
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Lacertilia indet.
Owen 1842
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Reptilia
- Boidae
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Boidae indet.
Gray 1825
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Reptilia
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Peltosaurus macrodon
Brattstrom 1955
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Brattstrom 1955 | |||||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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Reptilia
- Testudines
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Chelonia indet.
(Latreille 1800)
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synonym of Testudines | ||||||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Ventura |
Coordinates: | 34.3° North, 119.0° West (view map) | ||||
Paleocoordinates: | 34.5° North, 105.8° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
10 m.y. bin: | Cenozoic 2-3 | ||
*Period: | Tertiary | ||
Key time interval: | Uintan | ||
Age range of interval: | 46.20000 - 39.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | CIT |
Taxonomic list comments:Brea Canyon (CIT 127, 202, 207) NISP: 94 artiodactyls (Golz 1976) 5+ others at CIT 127 (XXX%) 83+ others at CIT 202 (XXX%) 42+ others at CIT 207 (XXX%) total 210, split about 7/147/54 records of Kelly 1990 may come from UCMP V-72066 or LACM 5616, but 5616 is in CS 3 according to according to Kelly et al. 1991 |
Metadata
Also known as: | CIT 207 | ||
Database number: | 16790 | ||
Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2008-11-10 16:39:14 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1681. | D. J. Golz and J. A. Lillegraven. 1977. Summary of known occurrences of terrestrial vertebrates from Eocene strata of southern California. Contributions to Geology, University of Wyoming 15(1):43-65 [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] | |
696 | B. H. Brattstrom. 1955. New snakes and lizards from the Eocene of California. Journal of Paleontology 29(1):145-149 [J. Alroy/M. Sommers/J. Alroy] | |
28442 | G. Calvano, D. R. Prothero, J. Ludtke and E. B. Lander. 2008. Magnetic stratigraphy of the Eocene to Miocene Sespe and Vaqueros formations, Los Angeles and Orange counties, California. Natural History Museum of Los Angeles County Science Series 41:43-61 [M. Uhen/M. Uhen] | |
2059 | T. S. Kelly. 1990. Biostratigraphy of Uintan and Duchesnean land mammal assemblages from the Middle Member of the Sespe Formation, Simi Valley, California. Contributions in Science, Natural History Museum of Los Angeles County 419:1-42 [J. Alroy/J. Alroy/J. Marcot] | |
2665 | M. J. Novacek. 1985. The Sespedectinae, a new subfamily of hedgehog-like insectivores. American Museum Novitates 2822:1-24 [J. Alroy/J. Alroy/K. Beard] |