Rock Canyon Section Bed 086: Early/Lower Turonian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus labiatus
(Schlotheim 1813)
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| recombined as Mytiloides labiatus | ||||||||||
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Cephalopoda
- Ammonitida
- Anisoceratidae
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Allocrioceras larvatum
(Conrad 1855)
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Kennedy et al. 1999 | |||||||||
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Anisoceras sp.
Pictet 1854
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Cephalopoda
- Ammonitida
- Hamitidae
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? Puebloites sp.
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Hamites cimarronensis
(Kauffman and Powell 1977)
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Kennedy et al. 1999 | |||||||||
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Kanabiceras sp.
Reeside and Weymouth 1931
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| synonym of Euomphaloceras | ||||||||||
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Watinoceras praecursor
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Kennedy et al. 1999 | |||||||||
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Watinoceras depressum
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Kennedy et al. 1999 | |||||||||
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Watinoceras devonense
Wright and Kennedy 1981
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Kennedy et al. 1999 | |||||||||
| Watinoceras devonense devonense | ||||||||||
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Quitmaniceras informal n . sp.
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Kennedy et al. 1999 | |||||||||
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Quitmaniceras reaseri
Powell 1963
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Kennedy et al. 1999 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Pueblo |
| Coordinates: | 38.3° North, 104.7° West (view map) | ||||
| Paleocoordinates: | 40.2° North, 70.0° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Early/Lower Turonian | Ammonoid zone: | Watinoceras devonense |
| Age range of interval: | 93.90000 - 89.80000 m.y. ago |
Stratigraphy
| Formation: | Greenhorn Limestone | Member: | Bridge Creek Limestone | ||
| Local section: | Rock Canyon | Local bed: | 86 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Lower Turonian. Bed horizon is the sample number not the lithologic unit number. The lithologic unit numbers that correspond to the sample numbers given can be found in reference for collection (Elder, 87). | |||||
Lithology and environment
| Primary lithology: | gray lithified "limestone" | ||
| Lithology description: Limestone, gray, hard; largely massive but upper few inches shaly; contains abundant pelagic Foraminifera and some mollusks | |||
| Environment: | carbonate indet. | Tectonic setting: | cratonic basin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Collection methods: | bulk,mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS,USNM |
Metadata
| Also known as: | USGS D3975. | ||
| Database number: | 230901 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2023-07-25 23:09:05 | Last modified: | 2023-07-25 23:12:44 |
| Access level: | the public | Released: | 2023-07-25 23:09:05 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 36104. | fossil record | W. A. Cobban and G. R. Scott. 1972. Stratigraphy and ammonite fauna and the Graneros Shale and Greenhorn Limestone near Pueblo, Colorado. United States Geological Survey Professional Paper. United States Geological Survey Professional Paper 645:1-108 [L. Bulot/L. Bulot] |
Secondary references:
| 85401 | W. J. Kennedy, W. A. Cobban, and W. P. J. I. Elder Kirkland. 1999. Lower Turonian (Upper Cretaceous) Watinoceras devonense Zone ammonite fauna in Colorado, USA. Cretaceous Research 20:629-639 [P. Wagner/P. Wagner] |