Punta San Telmo: Chattian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Agorophiidae indet.
Abel 1914
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Gonzalez Barba 2007 | ||||||
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= Odontoceti indet.
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Godfrey et al. 2016 | ||||||
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Mammalia
- Cetacea
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Cetacea indet.
Brisson 1762
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1 specimen | ||||||
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Mammalia
- Cetacea
- Aetiocetidae
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Aetiocetidae indet.
Emlong 1966
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Gonzalez Barba 2007 | ||||||
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Mammalia
- Cetacea
- Cetotheriidae
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Cetotheriidae indet.
(Brandt 1872)
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Gonzalez Barba 2007 | ||||||
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Mammalia
- Cetacea
- Waipatiidae
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Waipatiidae indet.
Fordyce 1994
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Gonzalez Barba 2007 | ||||||
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Mammalia
- Perissodactyla
- Desmostylidae
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Cornwallius sookensis
(Cornwall 1922)
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VanderHoof 1942 | ||||||
| see common names | |||||||
Geography
| Country: | Mexico | State/province: | Baja California Sur |
| Coordinates: | 25.2° North, 110.9° West (view map) | ||
| Paleocoordinates: | 24.0° North, 102.6° West | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Chattian | ||
| Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | El Cien | Member: | Timbabichi | ||
| Stratigraphy comments: originally listed as San Hilario Member |
Lithology and environment
| Primary lithology: | phosphatic sandstone |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Environment: | shallow subtidal indet. |
| Geology comments: tropical, near rainforest; high terrigenous influx, short-term coastal regression | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
| Disassociated major elements: | many |
| Disassociated minor elements: | some |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:The author lists Balaenidae in the fauna, but refers to these as "Primitive tooth-bearing Mysticetes", which is cleary in error. | |
Metadata
| Also known as: | Timbabichi | ||
| Database number: | 66429 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | B. Shipps | Research group: | vertebrate |
| Created: | 2006-10-09 08:19:42 | Last modified: | 2017-02-26 15:15:41 |
| Access level: | the public | Released: | 2006-10-09 08:19:42 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 18985. | S. P. Applegate. 1986. The El Cien Formation, Strata of Oligocene and early Miocene age in Baja California Sur. Revista 6(2):145-162 [M. Uhen/M. Uhen] |
Secondary references:
| 52088 | L. G. Barnes. 2002. Evolutionary history of the fossil marine mammals of Mexico. In M. M. Ballesteros, J. A. Cabrales (eds.), Advances en los Estudios Paleomastozoologicos en Mexico 125-225 [M. Uhen/M. Uhen] | |
| 43401 | S. Godfrey, M. D. Uhen, J. E. Osborne and L. E. Edwards. 2016. A new specimen of Agorophius pygmaeus (Agorophiidae, Odontoceti, Cetacea) from the early Oligocene Ashley Formation of South Carolina, USA. Journal of Paleontology 90(1):154-169 [M. Uhen/M. Uhen/M. Uhen] | |
| 27519 | G. Gonzalez Barba. 2007. The late Oligocene marine mammal assemblage of the San Juan and Timbabich Members (El Cien Formation), Baja California Sur, Mexico. Geological Society of Australia Abstracts 85:43 [M. Uhen/M. Uhen] | |
| 24362 | V. L. VanderHoof. 1942. An occurrence of the Tertiary marine mammal Cornwallius in lower California. American Journal of Science 240:298-301 [B. Beatty/B. Beatty] |