Camp San Onofre (Eocene to of the United States)

Also known as Onofre Locality One; UCMP V-72088

Where: San Diego County, California (33.4° N, 117.5° W: paleocoordinates 33.4° N, 104.7° W)

• coordinate based on political unit

When: Santiago Formation, Uintan to Uintan (46.2 - 37.2 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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 16533: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna is heavily dominated by small mammals: Lillegraven and Wilson 1975
late Uintan or Duchesnean
Igaunidae indet.
"unidentified iguanid, Form B"
 Lepisosteiformes - Lepisosteidae
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Squamata - Anguidae
"Pancelosaurus sp." = Odaxosaurus
"Pancelosaurus sp." = Odaxosaurus Gilmore 1928 squamates
 Squamata - Iguanidae
Parasauromalus olseni Gilmore 1928 squamates
 Squamata -
Tinosaurus cf. stenodon Marsh 1872 squamates
 Squamata - Xantusiidae
Palaeoxantusia allisoni Schatzinger 1980 night lizard
 Primates - Omomyidae
Chumashius balchi Stock 1933 tarsier
Lillegraven 1980
Dyseolemur pacificus Stock 1934 tarsier
Lillegraven 1980
 Rodentia - Simimyidae
Simimys simplex Wilson 1935 rodent
and described in detail by Lillegraven and Wilson 1975, but accidentally omitted by Walsh 1991
 Rodentia - Eomyidae
Metanoiamys marinus n. sp.2 Chiment and Korth 1996 rodent
"Namatomys" sp., said to be a new genus (i.e., Metanoiamys) by Walsh 1991
 Rodentia -
Griphomys toltecus n. sp.3 Lillegraven 1977 rodent
Griphomys alecer Wilson 1940 rodent
Lillegraven 1977
 Rodentia - Ischyromyidae
Microparamys tricus Wilson 1940 rodent
Lillegraven 1977
 Rodentia - Cylindrodontidae
Pareumys sp.3 Peterson 1919 rodent
not clear why this is omitted by Golz and Lillegraven, but it is repeated by Walsh 1996b
 Perissodactyla - Amynodontidae
Amynodon cf. advenus6 Marsh 1875 odd-toed ungulate
 Macroscelidea - Amphilemuridae
cf. Proterixoides davisi Stock 1935 elephant shrew
Novacek 1976
Sespedectes stocki4 Novacek 1985 elephant shrew
 Ungulata - Oromerycidae
Protylopus cf. petersoni Wortman 1898 even-toed ungulate
accidentally omitted by Walsh 1996b
 Ungulata - Agriochoeridae
Protoreodon walshi5 Theodor 1999 agriochoerid
 Ungulata - Protoceratidae
Leptotragulinae indet. protoceratid
omitted by Walsh 1996b, who did not list generically unidentifiable taxa
 Ungulata - Praetragulidae
Simimeryx cf. hudsoni Stock 1934 ruminant
 Theriiformes - Peradectidae
Peradectes californicus1 Stock 1936 metatherian
 Theriiformes - Herpetotheriidae
Herpetotherium cf. knighti1 McGrew et al. 1959 marsupial