Collwood South (SDSNH 3426): Late/Upper Uintan, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Chiroptera
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Chiroptera indet.
Blumenbach 1779
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Mammalia
- Primates
- Omomyidae
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Walshina esmaraldensis
López-Torres et al. 2018
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López-Torres et al. 2018 | |||||||||
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Mammalia
- Primates
- Microsyopidae
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Uintasorex sp.
Matthew 1909
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Mammalia
- Primates
- Paromomyidae
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Phenacolemur sp.
Matthew 1915
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= Phenacolemurinae indet.
Simpson 1955
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Alroy 2002 | |||||||||
| DUPLICATE REF 3537 or 3538 | ||||||||||
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Mammalia
- Rodentia
- Cylindrodontidae
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Pareumys sp.
Peterson 1919
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Mammalia
- Rodentia
- Simimyidae
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Simimys simplex
(Wilson 1935)
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| see also Walsh 1997 DUPLICATE REF 3537 or 3538 | ||||||||||
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Mammalia
- Rodentia
- Ischyromyidae
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Microparamys woodi
Kelly and Whistler 1994
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| "M. D Wood" DUPLICATE REF 3537 or 3538 | ||||||||||
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Mammalia
- Sespedectidae
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Proterixoides davisi
Stock 1935
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2 specimens | |||||||||
| Walsh 1998 DUPLICATE REF 3537 or 3538 | ||||||||||
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Sespedectes singularis
Stock 1935
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Mammalia
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Peradectes californicus
(Stock 1936)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | San Diego |
| Coordinates: | 32.9° North, 117.1° West (view map) | ||||
| Paleocoordinates: | 33.1° North, 103.9° 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: | Late/Upper Uintan | ||
| Age range of interval: | 46.20000 - 39.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Mission Valley | ||
| Local section: | SDieg | Local bed: | 6 |
| Local order: | bottom to top |
Lithology and environment
| Primary lithology: | brown sandy mudstone |
| Includes fossils? | Y |
| Lithology description: SDSNH locality 3426, Collwood South, is a2 m thick light brown sandy mudstone bed | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | La Mesa, in part | ||
| Database number: | 16766 | ||
| Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd |
| Modifier: | J. Marcot | Research group: | vertebrate |
| Created: | 1997-04-12 00:00:00 | Last modified: | 2023-09-27 15:04:52 |
| Access level: | the public | Released: | 1997-04-12 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3538. | S. L. Walsh. 1991. Eocene mammal faunas of San Diego County. Pacific Section SEPM 68:161-178 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 66860 | S. López-Torres, M. T. Silcox, and P. A. Holroyd. 2018. New omomyoids (Euprimates, Mammalia) from the late Uintan of southern California, USA, and the question of the extinction of the Paromomyidae (Plesiadapiformes, Primates). Palaeontologia Electronica 21.3.37A:1-28 [P. Holroyd/P. Holroyd/P. Holroyd] |