LSJU loc. 1999, Rumsey Hills: Late Turonian - Coniacian, California
collected by J. M. Kirby and T. H. Crook 1933
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Myalinida
- Inoceramidae
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| "group of I. lamarcki-cordiformis" | ||||||||||
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Cephalopoda
- Ammonitida
- Pachydiscidae
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Pachydiscidae indet.
Spath 1922
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| "bituberculate pachydiscid ammonite (Pseudojacobites or Menuites indet.)" | ||||||||||
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Cephalopoda
- Ammonitida
- Scaphitidae
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Otoscaphites cf. puerculus
(Jimbo 1894)
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Scaphites cf. yokoyamai
Jimbo 1894
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Yolo |
| Coordinates: | 38.7° North, 122.2° West (view map) | ||||
| Paleocoordinates: | 45.9° North, 80.8° West (Wright 2013) | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Turonian - Coniacian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Late Turonian - Coniacian | ||
| Age range of interval: | 93.9 - 85.7 m.y. ago |
Stratigraphy
| Geological group: | Asuncion | Formation: | Sites | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Str. position: Uppermost part of Sites formation ( ?)
Fossils: Scaphites sp. ( cf. yokoyamai JIMBO), Otoscaphites cf. puereulus (JIMBO), bituberculate pachydiscid ammonite (Pseudojacobites or Menuites indet.), Inoceramus sp. (group of I. lamarcki-cordiformis) Age: Turonian or Coniacian | |||||
Lithology and environment
| Primary lithology: | siltstone |
| Lithology description: "silty rock" | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | CAS | ||
| Collectors: | J. M. Kirby and T. H. Crook | Collection dates: | 1933 |
Metadata
| Database number: | 225448 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2022-05-09 12:13:33 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2022-05-09 12:13:33 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 29214. | T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy] |