Presa San Antonio or Rincon Colorado: Late/Upper Campanian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Arachnida
- Araneae
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Opisthothelae indet.
Pocock 1892
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1 specimen | |||||||||
| IGM 8825 | ||||||||||
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Insecta
- Odonata
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? Anisoptera indet.
Selys-Longchamps and Hagen 1854
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1 specimen | |||||||||
| IGM 8826 (1 measurement) | ||||||||||
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Insecta
- Blattodea
- Blattulidae
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Xonpepetla rinconensis n. gen., n. sp.
Cifuentes-Ruiz and Vršanský 2006
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2 specimens | |||||||||
| IGM 8827, 8828 (2 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Coahuila |
| Coordinates: | 25.3° North, 101.3° West (view map) | ||
| Paleocoordinates: | 31.4° North, 76.0° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Difunta | Formation: | Cerro del Pueblo |
Lithology and environment
| Primary lithology: | gray,green lithified mudstone | ||
| Lithology description: Olive-grey mudstone | |||
| Environment: | pond | Tectonic setting: | passive margin |
| Geology comments: "The formation consists of cyclic alternations of marine, estuarine and freshwater environments. The described specimens were deposited in lakes or small ponds, associated with the deltaic system…" | |||
Taphonomy
| Modes of preservation: | permineralized |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | IGM 3500 or IGM 3501 | ||
| Database number: | 119500 | ||
| Authorizer: | M. Clapham | Enterer: | J. Karr |
| Modifier: | M. Carrano | Research group: | paleoentomology |
| Created: | 2011-10-28 16:38:28 | Last modified: | 2021-06-15 10:22:12 |
| Access level: | the public | Released: | 2011-10-28 16:38:28 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 38350. | P. Cifuentes-Ruiz, P. Vršanský, F. J. Vega, S. R. S. Cevallos-Ferriz, E. González-Soriano and C. R. Delgado Jesús. 2006. Campanian terrestrial arthropods from the Cerro del Pueblo Formation, Difunta Group in northeastern Mexico. Geologica Carpathica 57(5):347-354 [M. Clapham/J. Karr/M. Clapham] |