Canyon Spring: Early Miocene, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Merycoidodontidae
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Merychyus cf. calaminthus
Jahns 1940
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Riverside |
| Coordinates: | 33.5° North, 115.7° West (view map) | ||||
| Paleocoordinates: | 32.6° North, 109.5° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| *Period: | Tertiary | *Local age/stage: | Late/Upper Arikareean |
| Key time interval: | Early Miocene | ||
| Age range of interval: | 23.03 - 15.98 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Diligencia | Member: | lower | ||
| Stratigraphy comments: said to be late Arikareean |
Lithology and environment
| Primary lithology: | desiccation cracks,current ripples,brown,yellow sandstone |
| Secondary lithology: | conglomerate |
| Includes fossils? | Y |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float) |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | LACM |
| Taxonomic list comments:basalts at base of fm. dated at 23.0 +/- 2.9, 20.6 +/- 8.9, and 19.1 +/- 1.9 Ma: Spittler and Arthur 1982; the last date has the most acceptable error | |
Metadata
| Also known as: | LACM 7114 | ||
| Database number: | 17765 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Marcot | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2023-10-13 00:36:39 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3762. | M. O. Woodburne and D. P. Whistler. 1973. An Early Miocene Oreodont (Merychyinae, Mammalia) from the Orocopia Mountains, Southern California. Journal of Paleontology 47(5):908-912 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |