USGS Mesozoic D12728, Ojito Spring: Middle Turonian, New Mexico
collected by T. Lehman 1978
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Romaniceras (Romaniceras) mexicanum
(Jones 1938)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Sandoval |
| Coordinates: | 35.6° North, 107.0° West (view map) | ||||
| Paleocoordinates: | 38.1° North, 73.1° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Middle Turonian | Ammonoid zone: | Prionocyclus hyatti |
| Age range of interval: | 93.90000 - 89.80000 m.y. ago |
Stratigraphy
| Formation: | Mancos Shale | Member: | Semilla Sandstone |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | T. Lehman | Collection dates: | 1978 |
Metadata
| Database number: | 178785 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2016-05-15 20:54:45 | Last modified: | 2016-05-15 20:54:45 |
| Access level: | the public | Released: | 2016-05-15 20:54:45 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59153. | W. J. Kennedy and W. A. Cobban. 1988. The Late Cretaceous ammonite Romaniceras Spath, 1923, in New Mexico. New Mexico Bureau of Mines & Mineral Resources Bulletin 114:23-34 [M. Clapham/M. Clapham] |