Miquihuana8-4: Valanginian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Ostreida
- Gryphaeidae
|
||||||||||
|
Exogyra putnami
Imlay 1937
|
||||||||||
| synonym of Aetostreon subsinuatum | ||||||||||
|
Exogyra reedi
Imlay 1937
|
||||||||||
|
Cephalopoda
- Ammonitida
- Olcostephanidae
|
||||||||||
|
aff. Rogersites filfer
|
||||||||||
| "R. filfer" - originally entered as "Rogersites aff. R. filfer" | ||||||||||
|
= Olcostephanus filifer
Imlay 1937
|
Klein 2005 | |||||||||
| synonym of Olcostephanus atherstoni | ||||||||||
|
Cephalopoda
- Ammonitida
- Neocomitidae
|
||||||||||
|
Thurmannites novihispanicus
Imlay 1937
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Tamaulipas |
| Coordinates: | 23.6° North, 99.8° West (view map) | ||
| Paleocoordinates: | 20.5° North, 53.2° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 | *Epoch: | Neocomian |
| Key time interval: | Valanginian | ||
| Age range of interval: | 139.80000 - 132.60000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Local section: | WNW anticline | Local bed: | 4 |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | "limestone" |
| Secondary lithology: | "shale" |
| Geology comments: limestone, thin-bedded to shaly, lt. grey; marly and silty shales | |
Taphonomy
| Modes of preservation: | body,original calcite |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 2132 | ||
| Authorizer: | M. Patzkowsky, A. Hendy | Enterer: | K. Layou, A. Hendy |
| Modifier: | C. Visaggi | Research group: | marine invertebrate |
| Created: | 1999-06-22 17:40:01 | 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:
| 64. | R. W. Imlay. 1937. Lower Neocomian fossils from the Miquihuana region, Mexico. Journal of Paleontology 11(7):552-574 [M. Patzkowsky/K. Layou/J. Alroy] |
Secondary references:
| 28118 | J. Klein. 2005. Fossilium Catalogus. I: Animalia. Pars 139: Lower Cretaceous Ammonites I. Perisphinctaceae 1. Himalayitidae, Olcostephanidae, Holcodiscidae, Neocomitidae, Oosterellidae 1-484 [A. Hendy/A. Hendy/M. Carrano] |