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 - 40.4 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
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Pantestudinidae
Testudinidae indet. Batsch 1788 turtle
 Squamata -
"Saniwa brooksi" = Saniwa ensidens
"Saniwa brooksi" = Saniwa ensidens Leidy 1870 squamates
 Squamata - Anguidae
Anguidae indet. Gray 1825 squamates
 Squamata - Iguanidae
Iguanidae indet. Oppel 1811 squamates
 Squamata - Boidae
Boidae indet. Gray 1825 boa
Boavus affinis2 Brattstrom 1955 boa
 Squamata -
Mammalia
 Primates - Omomyidae
Dyseolemur pacificus Stock 1934 tarsier
at LACM 5616, see Kelly and Whistler 1994
Macrotarsius roederi n. sp.3 Kelly 1990 tarsier
LACM 5660
 Rodentia - Simimyidae
Simimys simplex Wilson 1935 rodent
Lillegraven and Wilson 1977; includes "Eumysops cf. vetus" specimen of Wilson 1935a
 Rodentia -
Griphomys alecer5 Wilson 1940 rodent
CIT 202, LACM 5616; "G. nr. alecer" of Wilson 1940b, from CIT 202
 Rodentia - Ischyromyidae
Rapamys sp. Wilson 1940 rodent
apparently includes specimen of "R. sp. A" of Wood 1962 from CIT 202
Eohaplomys matutinus n. sp. Stock 1935 rodent
from CIT 202, Stock 1935a; also at LACM 5616, Kelly and Whistler 1994
Mytonomys burkei n. sp. Wilson 1940 rodent
from CIT 202: Wilson 1940a
 Rodentia - Cylindrodontidae
Pareumys sp. Peterson 1919 rodent
from CIT 202, Wilson 1940c
 Perissodactyla - Amynodontidae
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.4 Peterson 1919 odd-toed ungulate
LACM 5616
 Ferae -
"Tapocyon occidentalis" = Tapocyon robustus3
"Tapocyon occidentalis" = Tapocyon robustus3 Peterson 1919 placental
 Macroscelidea - Amphilemuridae
Proterixoides davisi6 Stock 1935 elephant shrew
Sespedectes singularis Stock 1935 elephant shrew
Novacek 1976
 Ungulata - Dichobunidae
Dichobunidae indet.4 Gill 1872 even-toed ungulate
small; LACM 5616
 Ungulata - Oromerycidae
? Protylopus robustus4 Golz 1976 even-toed ungulate
LACM 5616; Kelly and Whistler 1994
Protylopus stocki3 Golz 1976 even-toed ungulate
Protylopus cf. petersoni Wortman 1898 even-toed ungulate
 Ungulata - Agriochoeridae
Protoreodon pumilus Marsh 1875 agriochoerid
 Ungulata - Diacodexeidae
Tapochoerus egressus Stock 1934 even-toed ungulate
CIT 202: Golz 1976
 Ungulata - Protoceratidae
Leptoreodon stocki n. sp.3 Kelly 1990 protoceratid
CIT 202; "Leptoreodon aff. leptolophus"
 Theriiformes - Peradectidae
Peradectes californicus1 Stock 1936 metatherian
 Theriiformes - Herpetotheriidae
Herpetotherium cf. knighti1 McGrew et al. 1959 marsupial