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San Timoteo - Unit 4, Riverside County, California, USA

FormationSan Timoteo
MemberUnit 4
Age:4.90 - 1.80 Ma
Cenozoic
IntervalBlancan
Number of Collections3
Number of Occurrences35

Recorded Sample Locations

LocationRegionStratigraphic Name
Jack Rabbit Trail Riverside County, California, USASan Timoteo - Unit 4

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Lake Mathews13.6 - 10.3 Ma
Miocene
3
Lower Arkose Unit10.3 - 4.90 Ma
Neogene
1
Mt. Eden10.3 - 4.90 Ma
Neogene
20
Pauba1.80 - 0.01 Ma
Pleistocene
92
San Timoteo1.80 - 0.30 Ma
Pleistocene
20
San Timoteo - lower1.80 - 0.30 Ma
Pleistocene
12
San Timoteo - Unit 34.90 - 1.80 Ma
Cenozoic
17
San Timoteo - upper1.80 - 0.30 Ma
Pleistocene
38
Temecula Arkose4.90 - 1.80 Ma
Cenozoic
68

Recorded Fossils

Accepted NameHierarchyAge
Hypolagus edensis
species
7Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : Hypolagus edensis4.9 - 1.8 Ma
Cenozoic
? no name ?
1004.9 - 1.8 Ma
Cenozoic
Sorex leahyi
species
7Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Sorex : Sorex leahyi4.9 - 1.8 Ma
Cenozoic
Equus idahoensis
species
7Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus : Equus idahoensis4.9 - 1.8 Ma
Cenozoic
Baiomys mowi
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Baiomys : Baiomys mowi4.9 - 1.8 Ma
Cenozoic
Mimomys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Muridae : Mimomys4.9 - 1.8 Ma
Cenozoic
Neotoma fossilis
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Neotoma : Neotoma fossilis4.9 - 1.8 Ma
Cenozoic
Peromyscus baumgartneri
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Peromyscus : Peromyscus baumgartneri4.9 - 1.8 Ma
Cenozoic
Peromyscus complexus
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Peromyscus : Peromyscus complexus4.9 - 1.8 Ma
Cenozoic
Peromyscus hagermanensis
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Peromyscus : Peromyscus hagermanensis4.9 - 1.8 Ma
Cenozoic
Peromyscus maximus
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Peromyscus : Peromyscus maximus4.9 - 1.8 Ma
Cenozoic
Reithrodontomys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Reithrodontomys4.9 - 1.8 Ma
Cenozoic
Sigmodon minor
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Sigmodon : Sigmodon minor4.9 - 1.8 Ma
Cenozoic
Coendou cascoensis
species
7Animalia : Chordata : Mammalia : Rodentia : Erethizontidae : Erethizon : Coendou cascoensis4.9 - 1.8 Ma
Cenozoic
Reynoldsomys timoteoensis
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Reynoldsomys : Reynoldsomys timoteoensis4.9 - 1.8 Ma
Cenozoic
Thomomys gidleyi
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Thomomys : Thomomys gidleyi4.9 - 1.8 Ma
Cenozoic
Dipodomys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Dipodomys4.9 - 1.8 Ma
Cenozoic
Perognathinae
subfamily
5.3Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathinae4.9 - 1.8 Ma
Cenozoic
Prodipodomys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Prodipodomys4.9 - 1.8 Ma
Cenozoic
Prodipodomys idahoensis
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Prodipodomys : Prodipodomys idahoensis4.9 - 1.8 Ma
Cenozoic
Prodipodomys timoteoensis
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Prodipodomys : Prodipodomys timoteoensis4.9 - 1.8 Ma
Cenozoic

References

Albright L. B. (1999) Biostratigraphy and Vertebrate Paleontology of the San Timoteo Badlands, Southern California, University of California Publications in Geological Sciences 144, 1-121
Albright L. B. (1999) Magnetostratigraphy and biochronology of the San Timoteo Badlands, southern California, with implications for local Pliocene–Pleistocene tectonic and depositional patterns, Geological Society America Bulletin 111 9, 1265-1293
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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