Yanagi Coast: Early Oligocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Suliformes - Plotopteridae
Bivalvia - Ostreida - Ostreidae
see common names

Geography
Country:Japan
Coordinates: 33.0° North, 129.6° East (view map)
Paleocoordinates:35.3° North, 126.6° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Paleogene Epoch: Oligocene
Stage: Rupelian 10 m.y. bin: Cenozoic 4
Key time interval: Early Oligocene
Age range of interval: 33.9 - 27.3 m.y. ago
Stratigraphy
Formation:Kakinoura
Stratigraphy comments: lower part of Kakinoura Fm. Calcareous nannofossils of the Kakinoura Formation (Okada, 1992) are of CP16b-c (33.9-32.0 Ma)
Lithology and environment
Primary lithology: not reported
Lithology description: "shell bed of Ostrea lunaeformis"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:219708
Authorizer:P. Holroyd Enterer:P. Holroyd
Research group:vertebrate
Created:2021-04-19 19:17:11 Last modified:2025-02-22 15:12:02
Access level:the public Released:2021-04-19 19:17:11
Creative Commons license:CC0
Reference information

Primary reference:

76525. H. Mori and K. Miyata. 2021. Early Plotopteridae Specimens (Aves) from the Itanoura and Kakinoura Formations (Latest Eocene to Early Oligocene), Saikai, Nagasaki Prefecture, Western Japan. Paleontological Research 25(2):145-159 [P. Holroyd/P. Holroyd]