18-Coahuila: Hauterivian - Valanginian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Maderia marcoensis
Imlay 1940
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| (2 measurements) | ||||||||||
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Cephalopoda
- Ammonitida
- Olcostephanidae
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Maderia coahuilensis
Imlay 1940
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| (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Coahuila |
| Coordinates: | 27.0° North, 102.1° West (view map) | ||
| Paleocoordinates: | 24.7° North, 55.1° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| *Epoch: | Neocomian | ||
| *International age/stage: | Hauterivian - Valanginian | ||
| Key time interval: | Hauterivian - Valanginian | ||
| Age range of interval: | 139.80000 - 125.77000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Taraises |
| Local section: | Locality 18 |
Lithology and environment
Taphonomy
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 2158 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Layou |
| Modifier: | C. Visaggi | Research group: | marine invertebrate |
| Created: | 1999-06-23 08:19:54 | Last modified: | 2004-03-11 16:25:06 |
| Access level: | the public | Released: | 2000-11-20 13:53:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 65. | R. W. Imlay. 1940. Neocomian Faunas of Northern Mexico. Geological Society America Bulletin 51(1):117-190 [M. Patzkowsky/K. Layou/A. Clement] |