Hirogawa 4, Kii Peninsula, Japan: Tithonian - Berriasian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Hydrozoa - Spongiomorphida - Spongiomorphidae
Spongiomorpha asiatica Yabe and Sugiyama
Anthozoa - Scleractinia - Amphiastreidae
Mitrodendron sp. Quenstedt 1880
Anthozoa - Scleractinia - Thamnasteriidae
see common names

Geography
Country:Japan
Coordinates: 34.0° North, 135.2° East (view map)
Paleocoordinates:52.2° North, 142.8° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Jurassic - Cretaceous Epoch: Late Jurassic - Early Cretaceous
Stage: Tithonian - Berriasian 10 m.y. bin: Jurassic 6 - Cretaceous 1
Key time interval: Tithonian - Berriasian
Age range of interval: 149.2 - 137.05 m.y. ago
Stratigraphy
Formation:Ikenoue
Local section:Minamikanaya
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "reef rocks"
Includes fossils?Y
Environment:reef, buildup or bioherm Tectonic setting:forearc basin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Bioerosion:occasional
Collection methods and comments
Collection excludes:some genera
Collection methods:peel or thin section,field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Reef builders only
Metadata
Also known as:Reef 3243
Database number:34554
Authorizer:W. Kiessling Enterer:W. Kiessling
Modifier:J. Alroy Research group:marine invertebrate
Created:2003-09-09 09:11:32 Last modified:2025-02-22 15:12:02
Access level:the public Released:2003-09-09 09:11:32
Creative Commons license:CC0
Reference information

Primary reference:
9121. K. Kashiwagi, N. Yamagiwa, A. Yao, Y. Ezaki, Y. Sakaori and Y. Shoji. 2002. Late Jurassic cnidarian and poriferan fossils from the Torinosu-type limestones in the Kurosegawa Terrane, western Kii Peninsula, southwest Japan and their geological significance. Fossils (Kaseki) 72:5-16 [W. Kiessling/W. Kiessling/W. Kiessling]