Suplee-Izee region, Graylock Fm. B6921: Sinemurian, Oregon
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Phylloceratida
- Juraphyllitidae
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Cephalopoda
- Ammonitida
- Schlotheimiidae
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Cephalopoda
- Ammonitida
- Arietitidae
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Oregon |
| Coordinates: | 44.1° North, 119.4° West (view map) | ||
| Paleocoordinates: | 20.0° North, 46.7° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Sinemurian | Ammonoid zone: | Oregonensis |
| Age range of interval: | 199.5 - 192.9 m.y. ago |
Stratigraphy
| Formation: | Graylock |
Lithology and environment
| Primary lithology: | "carbonate" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 201173 | ||
| Authorizer: | J. Pálfy | Enterer: | E. Kovács | Research group: | marine invertebrate |
| Created: | 2019-05-02 08:29:38 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2021-05-02 08:29:38 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 68619. | D. Taylor. 1988. Paradiscamphiceras : un nouveau genre d'ammonites du Lias inférieur. Bulletin de la Société Vaudoise des Sciences Naturelles 79(2):117-122 [J. Pálfy/E. Kovács/E. Kovács] |