Nukada, loc 1, Yakuno-cho, Amada-gun, Kyoto prefecture: Aegean - Bithynian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834
see common names

Geography
Country:Japan
Coordinates: 35.3° North, 135.0° East (view map)
Paleocoordinates:39.0° North, 112.6° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Triassic Epoch:Middle Triassic
Stage:Anisian 10 m.y. bin:Triassic 2
Key time interval:Aegean - Bithynian
Age range of interval:247.20000 - 244.70000 m.y. ago
Stratigraphy
Geological group:Yakuno Formation:Waruishi
Stratigraphic resolution:bed
Stratigraphy comments: Lower Anisian
Lithology and environment
Primary lithology: lithified not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:119671
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:P. Vazquez Research group:vertebrate
Created:2011-10-31 02:55:03 Last modified:2013-11-25 13:02:06
Access level:the public Released:2011-10-31 02:55:03
Creative Commons license:CC BY
Reference information

Primary reference:
38385. M. Goto, N. Kuga, and K. Hachiya. 1991. On the hybodont elasmobranch teeth of three genera from the Mesozoic of Japan. Journal of the Geological Society of Japan 97(9):743-750 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

42990 M. Goto. 1994. Palaeozoic and early Mesozoic fish faunas of the Japanese Islands. The Island Arc 3(1994):247-254 [M. Clapham/P. Vazquez]
47699 M. Goto, T. Uyeno, and Y. Yabumoto. 1996. Summary of Mesozoic elasmobranch remains from Japan. In G. Arratia & G. Viohl (ed.), Mesozoic Fishes - Systematics and Paleoecology 1:73-82 [M. Clapham/P. Vazquez]