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
see common names

Geography
Country:Japan
Coordinates: 35.3° North, 135.0° East (view map)
Paleocoordinates:5.8° North, 134.1° East (Wright 2013)
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 - 244.4 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:2025-02-22 15:12:02
Access level:the public Released:2011-10-31 02:55:03
Creative Commons license:CC0
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]