San Antonio de las Salinas, Zapotitlan Formation, Puebla: Barremian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Cardiida
- Cardiidae
|
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|
Cardium costae
|
1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Mexico |
| Coordinates: | 18.4° North, 97.5° West (view map) |
| Paleocoordinates: | 16.1° North, 53.2° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Barremian | ||
| Age range of interval: | 125.77000 - 121.40000 m.y. ago |
Stratigraphy
| Formation: | Zapotitlan |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified claystone |
| Secondary lithology: | lithified "limestone" |
| Lithology description: 'The San Juan Raya foramtion... consists of a series of lutites, limestones and conglomerates... maximum thickness of 1000 meters.' | |
| Environment: | open shallow subtidal |
| Geology comments: '... at the end of the Neocomian and during the Aptian, the region of Zapotitlan-San Juan Raya was an area close to the coast, covered with shallow waters ' | |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: collected by J. G. Aguilera in the end of the 19th century | |
Metadata
| Database number: | 69904 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2007-03-09 04:53:44 | Last modified: | 2007-04-12 03:58:51 |
| Access level: | the public | Released: | 2007-03-09 04:53:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23451. | G. A. d.e. Cserna. 1956. Pelecipidos y gasteropodos del Cretacico inferior de la region de San Juan Raya-Zapotitlan, Estado de Puebla. Paleontologia Mexicana (2)1-47 [M. Aberhan/S. Nurnberg/S. Nurnberg] |