USGS Mesozoic 718, Riddle: Hauterivian, Oregon
collected by G.F. Becker 1890
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Phyllopachyceras umpquanum
(Anderson 1938)
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Phyllopachyceras trinitense
(Anderson 1938)
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| synonym of Phyllopachyceras infundibulum | ||||||||||
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Cephalopoda
- Ammonitida
- Holcodiscidae
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Spitidiscus oregonensis n. sp.
Imlay 1960
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| (1 measurement) | ||||||||||
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Cephalopoda
- Ammonitida
- Polyptychitidae
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Wellsia oregonensis
(Anderson 1938)
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| recombined as Homolsomites oregonensis | ||||||||||
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Wellsia packardi
(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 |
| Coordinates: | 42.9° North, 123.4° West (view map) | ||
| Paleocoordinates: | 41.8° North, 72.1° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.60000 - 125.77000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| 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.F. Becker | Collection dates: | 1890 |
Metadata
| Database number: | 157773 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-07-02 23:24:59 | Last modified: | 2014-07-02 23:25:15 |
| Access level: | the public | Released: | 2014-07-02 23:24:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 28036. | R. W. Imlay. 1960. Ammonites of Early Cretaceous age (Valanginian and Hauterivian) from the Pacific Coast states. United States Geological Survey Professional Paper 334(F):1-228 [A. Hendy/A. Hendy] |