Inakuraike: Early Maastrichtian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turbinidae
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Atira tricarinata n. sp.
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Gastropoda
- Neogastropoda
- Perissityidae
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| see common names | |||||||
Geography
| Country: | Japan | County: | Osaka |
| Coordinates: | 34.4° North, 135.4° East (view map) | ||
| Paleocoordinates: | 40.4° North, 126.1° East (Wright 2013) | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| *Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
| *International age/stage: | Early/Lower Maastrichtian | ||
| Key time interval: | Early Maastrichtian | Zone: | Nostoceras hetonaiense |
| Age range of interval: | 72.2 - 66 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Mutsuo | Member: | Azenotani Mudstone |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | sandy siltstone |
| Lithology description: sandy siltstone | |
| Environment: | marine indet. |
| Geology comments: no paleoenvironmental data | |
Taphonomy
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:gastropods only | |
Metadata
| Also known as: | NSM-PCL11-73-4 | ||
| Database number: | 4893 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | marine invertebrate |
| Subset of collection #: | 1396 | ||
| Created: | 1999-08-29 11:23:47 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2000-11-20 13:53:24 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 303. | T. Kase. 1990. Late Cretaceous gastropods from the Izumi Group of southwest Japan. Journal of Paleontology 64(4):563-578 [J. Alroy/J. Alroy/J. Alroy] |