PBDB Collection

Brea Canyon (Bed CS3) (Eocene of the United States)

Also known as CIT 202; LACM 5616, 5660

Where: Ventura County, California (34.3° N, 119.0° W: paleocoordinates 34.5° N, 105.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Sespe Formation, Uintan (46.2 - 39.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the CIT

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16791: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• records of Kelly 1990 may derive from UCMP V-72065, LACM 5617, 5625, 5649
"? Apatemyidae indet." is omitted by Kelly 1990

"cf. Simidectes sp." is omitted by Kelly 1990

Show authors, comments, and common names

Reptilia
Squamata - Anguidae	Anguidae indet. Anguidae indet. Gray 1825 squamates
Squamata -	"Saniwa brooksi" = Saniwa ensidens, "Boavus affinis" = Boavus occidentalis¹ "Saniwa brooksi" = Saniwa ensidens Leidy 1870 squamates "Boavus affinis" = Boavus occidentalis¹ Marsh 1871 snake
Squamata - Boidae	Boidae indet. Boidae indet. Gray 1825 boa
Squamata -	Lacertilia indet. Lacertilia indet. lizard
Squamata - Iguanidae	Iguanidae indet. Iguanidae indet. Oppel 1811 squamates
Testudines - Trionychidae	Trionychidae indet. Trionychidae indet. Gray 1825 softshell turtle
Testudines - Testudinidae	Testudinidae indet. Testudinidae indet. Batsch 1788 turtle
Mammalia
Primates - Omomyidae	Macrotarsius roederi n. sp.², Dyseolemur pacificus Macrotarsius roederi n. sp.² Kelly 1990 tarsier LACM 5660 Dyseolemur pacificus Stock 1934 tarsier at LACM 5616, see Kelly and Whistler 1994
Rodentia - Cylindrodontidae	Pareumys sp. Pareumys sp. Peterson 1919 rodent from CIT 202, Wilson 1940c
Rodentia - Simimyidae	Simimys simplex Simimys simplex Wilson 1935 rodent Lillegraven and Wilson 1977; includes "Eumysops cf. vetus" specimen of Wilson 1935a
Rodentia -	Griphomys alecer⁴ Griphomys alecer⁴ Wilson 1940 rodent CIT 202, LACM 5616; "G. nr. alecer" of Wilson 1940b, from CIT 202
Rodentia - Ischyromyidae	Mytonomys burkei n. sp., Eohaplomys matutinus n. sp., Rapamys sp. Mytonomys burkei n. sp. Wilson 1940 rodent from CIT 202: Wilson 1940a Eohaplomys matutinus n. sp. Stock 1935 rodent from CIT 202, Stock 1935a; also at LACM 5616, Kelly and Whistler 1994 Rapamys sp. Wilson 1940 rodent apparently includes specimen of "R. sp. A" of Wood 1962 from CIT 202
Theriamorpha - Sespedectidae	Proterixoides davisi⁵, Sespedectes singularis Proterixoides davisi⁵ Stock 1935 placental Sespedectes singularis Stock 1935 placental Novacek 1976
Theriamorpha -	"Tapocyon occidentalis" = Tapocyon robustus² "Tapocyon occidentalis" = Tapocyon robustus² Peterson 1919 placental
Artiodactyla - Dichobunidae	Dichobunidae indet.³ Dichobunidae indet.³ Gill 1872 even-toed ungulate small; LACM 5616
Artiodactyla - Agriochoeridae	Protoreodon pumilus Protoreodon pumilus Marsh 1875 agriochoerid
Artiodactyla - Protoceratidae	Leptoreodon stocki n. sp.² Leptoreodon stocki n. sp.² Kelly 1990 protoceratid CIT 202; "Leptoreodon aff. leptolophus"
Artiodactyla - Oromerycidae	Protylopus cf. petersoni, Protylopus stocki², ? Protylopus robustus³ Protylopus cf. petersoni Wortman 1898 even-toed ungulate Protylopus stocki² Golz 1976 even-toed ungulate ? Protylopus robustus³ Golz 1976 even-toed ungulate LACM 5616; Kelly and Whistler 1994
Artiodactyla - Diacodexeidae	Tapochoerus egressus Tapochoerus egressus Stock 1934 even-toed ungulate CIT 202: Golz 1976
Perissodactyla - Amynodontidae	Amynodon sp. Amynodon sp. Marsh 1877 odd-toed ungulate described by Stock 1939a as "A. sp., possibly advenus" from CIT 202 and mysteriously omitted by Kelly 1990
Perissodactyla - Isectolophidae	Isectolophidae indet.³ Isectolophidae indet.³ Peterson 1919 odd-toed ungulate LACM 5616
Theriamorpha - Peradectidae	"Nanodelphys californicus n. sp." = Peradectes californicus "Nanodelphys californicus n. sp." = Peradectes californicus Stock 1936 marsupial from CIT 202: see Stock 1936a
Theriamorpha - Herpetotheriidae	"Peratherium knighti" = Herpetotherium knighti "Peratherium knighti" = Herpetotherium knighti McGrew et al. 1959 marsupial possibly includes "P. sp." of Stock 1936a from CIT 202

¹Brattstrom 1955; ²Kelly 1990; ³Kelly et al. 1991; ⁴Kelly and Whistler 1994; ⁵Novacek 1985