Niseu River, Biratori Town: Burdigalian - Langhian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Cetacea
1 specimen
unclassified
Actinomiidae/Entactinaria spp.
Protozoa - Actinommidae
Actinomma sp. Haeckel 1862
Protozoa - Entactinaria - Hexalonchidae
Hexacontium sp. Haeckel 1881
Polycystinea - Spumellaria - Spongodiscidae
Spongodiscidae sp. Haeckel 1862
Stylodictya sp. Ehrenberg 1847
Polycystinea - Spumellaria - Litheliidae
Polycystinea - Spumellaria - Stylosphaeridae
? Stylatractus sp. Haeckel 1887
? Stylosphaera sp. Ehrenberg 1847
Polycystinea - Spumellaria - Pyloniidae
Pyloniidae indet. Haeckel 1881
Pyloniidae/Litheliidae spp.
Larcopyle sp. Dreyer 1889
Polycystinea - Nassellaria - Triospyrididae
? Dendrospyris sp. Haeckel 1881
Polycystinea - Nassellaria - Artostrobiidae
Polycystinea - Nassellaria - Theopiliidae
subspecies cosma
Cycladophora sp. Ehrenberg 1847
Polycystinea - Nassellaria - Carpocaniidae
Carpocaniidae indet. Haeckel 1881
Polycystinea - Nassellaria - Acropyramididae
Polycystinea - Nassellaria - Eucyrtiidae
Dictyophimus sp. Ehrenberg 1846
Polycystinea - Nassellaria - Eucyrtidiidae
Stichocorys sp. Haeckel 1881
see common names

Geography
Country:Japan
Coordinates: 42.8° North, 142.4° East (view map)
Paleocoordinates:42.9° North, 139.1° East (Wright 2013)
Basis of coordinate:stated in text
Time
Period: Neogene Epoch: Miocene
Stage: Burdigalian - Langhian 10 m.y. bin: Cenozoic 5
Key time interval: Burdigalian - Langhian
Age range of interval: 20.45 - 13.82 m.y. ago
Stratigraphy
Formation:Takinoue
Stratigraphy comments: late Burdigalian to the early Lang- hian according to GTS2012 and is concordant with previ- ously estimated ages (late Early–early Middle Miocene) of the Takinoue Formation
Lithology and environment
Primary lithology: calcareous siltstone
Includes fossils?Y
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:236002
Authorizer:M. Uhen Enterer:M. Uhen
Research group:vertebrate
Created:2024-09-06 14:56:44 Last modified:2025-02-22 15:12:02
Access level:the public Released:2024-09-06 14:56:44
Creative Commons license:CC0
Reference information

Primary reference:

89346. Y. Tanaka, I. Motoyama, and K. Sakurai. 2024. A new late Early to early Middle Miocene fossil baleen whale aff. Isanacetus laticephalus specimen from Hokkaido, Japan. Paleontological Research 28(4):481-490 [M. Uhen/M. Uhen]