Loma del Coco, San Juan Raya Formation, Puebla: Aptian, Mexico
Gastropoda
- Procerithiidae
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rare category |
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| Uchauxia? poblana n.sp. |
Gastropoda
- Batillariidae
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common category |
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see common names |
Country: | Mexico |
Coordinates: |
18.3° North, 97.6° West (view map) |
Paleocoordinates: | 21.6° North, 43.3° West (Wright 2013) |
Basis of coordinate: | based on nearby landmark |
Geographic resolution: | outcrop |
Period: | Cretaceous |
Epoch: | Early Cretaceous |
Stage: | Aptian |
10 m.y. bin: | Cretaceous 3 |
Key time interval: | Aptian |
Age range of interval: | 121.4 - 113.2 m.y. ago |
Primary lithology: | lithified "mixed carbonate-siliciclastic" |
Lithology description: 'The San Juan Raya foramtion... consists basically of calcareous lutites with intercalations of calcareous sandstone... maximum thickness of 1250 meters.' |
Environment: | open shallow subtidal |
Geology comments: '... during the Aptian, the region of Zapotitlan-San Juan Raya was an area close to the coast, covered with shallow waters ' |
Modes of preservation: | mold/impression |
Size of fossils: | macrofossils |
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 |
Database number: | 69905 |
Authorizer: | M. Aberhan |
Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg |
Research group: | marine invertebrate |
Created: | 2007-03-09 05:24:21 |
Last modified: | 2025-02-22 15:12:02 |
Access level: | the public |
Released: | 2007-03-09 05:24:21 |
Creative Commons license: | CC0 |
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] |