USGS Mesozoic D7092, Long House Valley: Late/Upper Cenomanian, Arizona
collected by W.A. Cobban 1969
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Scaphitidae
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Worthoceras gibbosum
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Cephalopoda
- Ammonitida
- Baculitidae
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Sciponoceras gracile
(Shumard 1860)
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Desmoceras (Moremanoceras) scotti
(Moreman 1942)
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| recombined as Moremanoceras scotti | |||||||
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Metoicoceras whitei
Hyatt 1903
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| synonym of Metoicoceras geslinianum | |||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Pycnodonte newberryi
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus pictus
Sowerby 1829
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| recombined as Inoceramus (Inoceramus) pictus | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Arizona | County: | Navajo |
| Coordinates: | 36.6° North, 110.5° West (view map) | ||||
| Paleocoordinates: | 37.8° North, 73.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Late/Upper Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Formation: | Mancos Shale |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | concretionary lithified "shale" |
| Lithology description: Limestone concretion | |
| 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: | W.A. Cobban | Collection dates: | 1969 |
Metadata
| Database number: | 176939 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2016-03-09 00:06:26 | Last modified: | 2016-03-09 21:05:27 |
| Access level: | the public | Released: | 2016-03-09 00:06:26 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 58396. | W. A. Cobban. 1972. New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States. United States Geological Survey Professional Paper 699:1-24 [M. Clapham/M. Clapham/M. Clapham] |