USGS Mesozoic Locality 1252, Cow Creek: Hauterivian, Oregon
collected by T.W. Stanton 1894
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Malacostraca
- Decapoda
- Nephropidae
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Hoploparia riddlensis
Feldmann 1974
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Hypophylloceras aff. onoensis
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Phyllopachyceras umpquanum
(Anderson 1938)
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Phyllopachyceras trinitense
(Anderson 1938)
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Cephalopoda
- Ammonitida
- Neocomitidae
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Hannaites riddlensis
(Anderson 1938)
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Cephalopoda
- Ammonitida
- Polyptychitidae
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Wellsia vigorosa
Imlay 1960
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Wellsia packardi
(Anderson 1938)
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Wellsia oregonensis
(Anderson 1938)
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Lytoceras aulaeum
Anderson 1938
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Oregon | County: | Douglas |
| Coordinates: | 43.0° North, 123.4° West (view map) | ||||
| Paleocoordinates: | 45.7° North, 57.5° West (Wright 2013) | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.6 - 125.77 m.y. ago |
Stratigraphy
| Formation: | Days Creek |
Lithology and environment
| Primary lithology: | sandstone | ||
| Secondary lithology: | siltstone | ||
| Environment: | submarine fan | Tectonic setting: | forearc basin |
Taphonomy
| Modes of preservation: | body,original chitin |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | many |
| Associated major elements: | many |
Collection methods and comments
| Collection methods: | surface (float),surface (in situ),mechanical | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | T.W. Stanton | Collection dates: | 1894 |
Metadata
| Database number: | 45673 | ||
| Authorizer: | C. Schweitzer | Enterer: | C. Schweitzer |
| Modifier: | M. Clapham | Research group: | decapod,marine invertebrate |
| Created: | 2004-11-22 10:55:08 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2004-11-22 10:55:08 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 12044. | R. M. Feldmann. 1974. Hoploparia riddlensis, a new species of lobster (Decapoda: Nephropidae) from the Days Creek Formation (Hauterivian, Lower Cretaceous) of Oregon. Journal of Paleontology 48(3):586-593 [C. Schweitzer/C. Schweitzer/C. Schweitzer] |