USGS Mesozoic D3670, Rio Puerco Valley: Middle Turonian, New Mexico
collected by R.E. Burkholder, W.A. Cobban 1961
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Coilopoceratidae
|
|||||||
|
Coilopoceras springeri
Hyatt 1903
|
|||||||
|
Cephalopoda
- Ammonitida
- Acanthoceratidae
|
|||||||
|
Romaniceras (Romaniceras) mexicanum
(Jones 1938)
|
Kennedy and Cobban 1988 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Sandoval |
| Coordinates: | 35.9° North, 106.9° West (view map) | ||||
| Paleocoordinates: | 38.4° North, 73.0° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
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 | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: About 10 m below Juana Lopez Member | |||||
Lithology and environment
| Primary lithology: | concretionary lithified silty "shale" |
| Lithology description: Septarian limestone concretions in silty-shale unit | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | R.E. Burkholder, W.A. Cobban | Collection dates: | 1961 |
Metadata
| Database number: | 77808 | ||
| Authorizer: | W. Kiessling, M. Clapham | Enterer: | U. Merkel, M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2008-01-21 07:34:43 | Last modified: | 2016-05-16 21:45:07 |
| Access level: | the public | Released: | 2008-01-21 07:34:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26278. | 1% 12360 | W. A. Cobban and S. C. Hook. 1980. The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States. United States Geological Survey Professional Paper 1192:1-28 [W. Kiessling/U. Merkel] |
Secondary references:
| 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] |