PBDB Collection

Brea Canyon (Bed CS2): Uintan, California

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Perissodactyla - Amynodontidae

	Rhinocerotoidea indet. Gray 1821
	= Amynodon cf. advenus Marsh 1875	Kelly 1990
Mammalia - Protoceratidae

	Leptoreodon aff. leptolophus Golz 1976
	= Leptoreodon stocki Kelly 1990	Kelly 1990
Mammalia - Agriochoeridae

	Protoreodon pumilus (Marsh 1875)
	NISP not stated by Golz 1976
Mammalia - Oromerycidae

	? Protylopus robustus Golz 1976		3 specimens
	CIT 207, see Golz 1976

	Protylopus stocki Golz 1976		2 specimens
	CIT 207, see Golz 1976
Mammalia - Diacodexeidae

	Tapochoerus egressus (Stock 1934)
	apparently not documented anywhere
Mammalia

	Plesiomiacis progressus n. sp. (Stock 1935)		2 specimens
	recombined as Procynodictis progressus
	from CIT 207: see Stock 1935b (5 measurements)
Mammalia - Sespedectidae

	Sespedectes singularis Stock 1935		6 specimens
	Novacek 1976

	Proterixoides sp. Stock 1935		12 specimens
	= Proterixoides davisi Stock 1935	Novacek 1985
Mammalia - Rodentia - Ischyromyidae

	Leptotomus tapensis (Wilson 1940)		1 specimen
	= Tapomys sp. Wood 1962	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		3 specimens
	from CIT 207: Wilson 1940a (4 measurements)

	Mytonomys burkei (Wilson 1940)		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		1 specimen
	from CIT 207: see Stock 1935a; (1 measurement)
Mammalia - Rodentia

	Griphomys alecer n. sp. Wilson 1940		1 specimen
	from CIT 207: Wilson 1940b
Mammalia - Rodentia - Cylindrodontidae

	Pareumys aff. milleri Peterson 1919	Kelly 1990	3 specimens
	new specimen, includes "P. sp." ( +1 = 4) of Wilson 1940c from CIT 207
Mammalia - Rodentia - Simimyidae

	Simimys simplex (Wilson 1935)		4 specimens
	Lillegraven and Wilson 1977; includes type and referred specimen of "Eumysops vetus" from CIT 207 of Wilson 1935a
Mammalia - Primates - Omomyidae

	Dyseolemur pacificus Stock 1934
	at LACM 5616, see Kelly and Whistler 1994
Reptilia - Lacertilia

	Lacertilia indet. Owen 1842
Reptilia - Boidae

	Boidae indet. Gray 1825
Reptilia

	Peltosaurus macrodon Brattstrom 1955	Brattstrom 1955
Reptilia - Testudines - Trionychidae

	Trionychidae indet. Gray 1825
Reptilia - Testudines

	Chelonia indet. (Latreille 1800)
	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

Formation:	Sespe
Local section:	SimiV	Local bed:	8
Local order:	bottom to top
Stratigraphic resolution:	bed

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]