Yoshikawa: Barremian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Echinoidea
- Spatangoida
|
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| see common names | |||||||
Geography
| Country: | Japan | State/province: | Wakayama |
| Coordinates: | 34.0° North, 136.2° East (view map) | ||
| Paleocoordinates: | 43.5° North, 144.7° East (Wright 2013) | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Barremian | ||
| Age range of interval: | 125.77 - 121.4 m.y. ago |
Stratigraphy
| Formation: | Arita |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 204467 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen | Research group: | vertebrate |
| Created: | 2019-09-09 13:23:16 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2019-09-09 13:23:16 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 61674. | S. Nisiyama. 1968. The echinoid fauna from Japan and adjacent regions, Part II. Paalaeontological Society of Japan Special Papers 13:1-480 [M. Uhen/B. Shipps/M. Uhen] |