USGS Mesozoic D2824, north of Buckeye: Late/Upper Campanian, Colorado
collected by G.R. Scott 1960
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Scaphitidae
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Jeletzkytes nodosus
(Owen 1852)
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| recombined as Hoploscaphites nodosus | |||||||
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Cephalopoda
- Ammonitida
- Nostoceratidae
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Cirroceras conradi
(Morton 1841)
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Anaklinoceras minutum n. sp.
Kennedy et al. 2000
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Nostoceras larimerense
Kennedy et al. 2000
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Nostoceras cf. splendidum
(Shumard 1861)
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Cephalopoda
- Ammonitida
- Diplomoceratidae
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Solenoceras texanum
(Shumard 1861)
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Lewyites oronensis
(Lewy 1969)
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Cephalopoda
- Ammonitida
- Baculitidae
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Baculites reesidei
(Elias 1933)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Larimer |
| Coordinates: | 40.9° North, 105.1° West (view map) | ||||
| Paleocoordinates: | 47.3° North, 74.4° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | Ammonoid zone: | Baculites reesidei |
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Pierre Shale | Member: | Larimer Sandstone |
| Stratigraphic resolution: | group of beds |
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: | G.R. Scott | Collection dates: | 1960 |
Metadata
| Database number: | 178532 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Carrano | Research group: | marine invertebrate |
| Created: | 2016-05-06 23:32:26 | Last modified: | 2021-05-14 09:52:37 |
| Access level: | the public | Released: | 2016-05-06 23:32:26 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59075. | W. J. Kennedy, W. A. Cobban, and G. R. Scott. 2000. Heteromorph ammonites from the Upper Campanian (Upper Cretaceous) Baculites cuneatus and Baculites reesidei zones of the Pierre Shale in Colorado, USA. Acta Geologica Polonica 50:1-20 [M. Clapham/M. Clapham] |