Oragahama: Piacenzian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Carnivora - Otariidae
1 specimen
unclassified
Bacillariophyceae - Thalassiosirales - Thalassiosiraceae
Triceratiaceae
Mediophyceae - Stephanodiscales - Stephanodiscaceae
Bacillariophyceae - Paraliales - Paraliaceae
Paralia sulcata (Ehrenberg 1838)
Bacillariophyceae - Paraliales - Pseudopodosiraceae
Bacillariophyceae - Hemidiscaceae
Actinocyclus octonarius Ehrenberg 1838
Bacillariophyceae - Achnanthales - Cocconeidaceae
Bacillariophyceae - Coscinodiscales - Coscinodiscaceae
Coscinodiscus radiatus Ehrenberg 1841
Bacillariophyceae - Coscinodiscales - Heliopeltaceae
Actinoptychus senarius (Ehrenberg 1838)
Bacillariophyceae - Rhizosoleniales - Rhizosoleniaceae
Bacillariophyceae - Bacillariales - Bacillariaceae
sp. A
Bacillariophyceae - Thalassiosirales - Thalassiosiraceae
Bacillariophyceae - Rhaphoneidales - Rhaphoneidaceae
Bacillariophyceae - Thalassionematales - Thalassionemataceae
Thalassiothrix longissima Cleve and Grunow 1880
Bacillariophyceae - Melosirales - Stephanopyxidaceae
Stephanopyxis turris (Greville and Arnot 1857)
Bacillariophyceae - Melosirales - Hyalodiscaceae
Bacillariophyceae - Melosirales - Melosiraceae
Bacillariophyceae - Cymatosirales - Cymatosiraceae
see common names

Geography
Country:Japan
Coordinates: 37.4° North, 141.0° East (view map)
Paleocoordinates:37.2° North, 140.4° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Pliocene
Stage: Piacenzian 10 m.y. bin: Cenozoic 6
Key time interval: Piacenzian
Age range of interval: 3.6 - 2.58 m.y. ago
Stratigraphy
Geological group:Sendai Formation:Daineji
Lithology and environment
Primary lithology:pebbly sandstone
Includes fossils?Y
Environment:coastal 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:101907
Authorizer:M. Uhen Enterer:M. Uhen
Research group:vertebrate
Created:2011-01-05 08:55:07 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-01-05 08:55:07
Creative Commons license:CC0
Reference information

Primary reference:

34654. N. Kohno and Y. Yanagisawa. 1997. The first record of the Pliocene Gilmore fur seal in the western North Pacific Ocean. Bulletin of the National Science Museum Tokyo, Series C 23(3, 4):119-130 [M. Uhen/M. Uhen]