Tlaxiaco: Early/Lower Kimmeridgian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Ataxioceratidae
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Ataxioceras (Ataxioceras) lopeztichae n. sp.
Cantu-Chapa 1991
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| recombined as Schneidia lopeztichai | |||||||
| see common names | |||||||
Geography
| Country: | Mexico | State/province: | Oaxaca |
| Coordinates: | 17.3° North, 97.7° West (view map) | ||
| Paleocoordinates: | 11.9° North, 50.0° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Kimmeridgian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Kimmeridgian | ||
| Age range of interval: | 154.80000 - 152.20000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Age is uncertain because the specimen occurred alone, but a latest Platynota to earliest Hypselocyclum age is promoted. | |||||
Lithology and environment
| Primary lithology: | lithified not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: collection of Cantú-Chapa | |
Metadata
| Database number: | 180139 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2016-07-09 11:12:59 | Last modified: | 2016-07-09 11:12:59 |
| Access level: | the public | Released: | 2016-07-09 11:12:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59799. | L. Moliner, F. Olóriz, and A. B. Villaseñor. 2016. Ataxioceras (Ataxioceras) lopeztichae Cantú-Chapa, 1991: updating the systematic and palaeobiogeographic interpretation. Palaeontologia Electronica 19(2.19A):1-16 [M. Clapham/M. Clapham] |