Los Pocitos: Late/Upper Oligocene, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Tayassuidae
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Helohyidae indet.
Marsh 1877
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| said to be a new genus | ||||||||||
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= Simojovelhyus pocitosense n. gen., n. sp.
Ferrusquía-Villafranca 2006
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Ferrusquía-Villafranca 2006 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Chiapas |
| Coordinates: | 17.1° North, 92.7° West (view map) | ||
| Paleocoordinates: | 17.7° North, 88.0° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Late/Upper Oligocene | ||
| Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | Simojovel-El Bosque Area Unit C | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "unnamed formation.. upper part of the Globigerina opima opima Range Zone and the lower part of the G. ciperoensis ciperoensis Interval Zone... i.e., in the early late Oligocene" "upper sandstone member of Unit C" (Ferrusquía-Villafranca 2006) | |||||
Lithology and environment
| Primary lithology: | black siltstone |
| Lithology description: "dark gray to black, organic matter-rich, fine-grained, very fossiliferous, shaly phyllarenitic sandstone to mudstone" | |
| Environment: | lagoonal |
| Geology comments: "estuarine to swampy lagoonal environment" (repeated by Ferrusquía-Villafranca 2006) | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: one mammal specimen only | |
Metadata
| Also known as: | Simojovel | ||
| Database number: | 35366 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2003-12-07 13:35:43 | Last modified: | 2007-01-05 18:01:49 |
| Access level: | the public | Released: | 2003-12-07 13:35:43 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 9548. | I. Ferrusquia. 2003. The first Paleogene mammal record of Middle America: Helohyidae new gen. and sp. Journal of Vertebrate Paleontology 23(3):49A-50A [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 19597 | I. Ferrusquía-Villafranca. 2006. The first Paleogene mammal record of Middle America: Simojovelhyus pocitosense (Helohyidae, Artiodactyla). Journal of Vertebrate Paleontology 26(4):989-1001 [J. Alroy/J. Alroy] |