USGS 17486, Unten Ko (DF 112): Calabrian, Japan
collected by Delos E. Flint
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Frenulinidae
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Kikaithyris hanzawai
(Yabe 1932)
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| see common names | |||||||
Geography
| Country: | Japan | State/province: | Okinawa |
| Coordinates: | 26.7° North, 128.0° East (view map) | ||
| Paleocoordinates: | |||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Calabrian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Calabrian | ||
| Age range of interval: | 1.8 - 0.774 m.y. ago |
Stratigraphy
| Formation: | Nakoshi | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Nakoshi Formation is Calabrian (c. 1.65-1.45 Ma) according to calcareous nannofossil biostratigraphy (Yamamoto et al., 2003, 2006). | |||||
Lithology and environment
| Primary lithology: | poorly 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: | Delos E. Flint |
Metadata
| Database number: | 190215 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2017-12-03 14:05:57 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2017-12-03 14:05:57 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 39467. | G. A. Cooper. 1957. Tertiary and Pleistocene Brachiopods of Okinawa, Ryukyu Islands. United States Geological Survey Professional Paper 314(A):1-20 [A. Hendy/A. Hendy] |