Iwayakannon (IY) Section, Inuyama, IYII18: Sinemurian - Pliensbachian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polycystinea - Nassellaria
Gorican et al. 2006
sensu Baumgartner, 1995
Polycystinea - Nassellaria - Ultranaporidae
Carter et al. 2010
Polycystinea - Nassellaria - Hsuidae
Carter et al. 2010
Carter et al. 2010
see common names

Geography
Country:Japan
Coordinates: 35.4° North, 137.0° East (view map)
Paleocoordinates:48.0° North, 166.2° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Jurassic Epoch: Early Jurassic
Stage: Sinemurian - Pliensbachian 10 m.y. bin: Jurassic 1 - Jurassic 2
Key time interval: Sinemurian - Pliensbachian Zone:  Parahsuum simplum assemblage-zone
Age range of interval: 199.5 - 184.2 m.y. ago
Stratigraphy
Local section:Iwayakannon Local bed:IYII18
Local order:top to bottom
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:black,gray,green,red,white chert
Secondary lithology: mudstone
Lithology description: Rhytmically interbedded chert and mudstone. The color of the chert varies considerably, exhibiting green, gray, red, white and black hues.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:120002
Authorizer:J. Pálfy Enterer:A. Kocsis
Modifier:A. Kocsis
Created:2011-11-06 07:38:27 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-11-06 07:38:27
Creative Commons license:CC0
Reference information

Primary reference:
38434. R. Hori. 1988. Some characteristic radiolarians from Lower Jurassic bedded cherts of the Inuyama area, Southwest Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 151:543-563 [J. Pálfy/A. Kocsis]

Secondary references:

38346 E. S. Carter, S. Goričan, J. Guex, L. O'Dogherty, P. De Wever, P. Dumitrica, R. S. Hori, A. Matsuoka, and P. A. Whalen. 2010. Global radiolarian zonation for the Pliensbachian, Toarcian and Aalenian. Palaeogeography, Palaeoclimatology, Palaeoecology 297:401-419 [J. Pálfy/A. Kocsis/M. Uhen]
40282 S. Gorican, E. S. Carter, P. Dumitrica, P. A. Whalen, R. S. Hori, P. De Wever, L. O'Dogherty, A. Matsuoka, and J. Guex. 2006. Catalogue and systematics of Pliensbachian, Toarcian and Aalenian radiolarian genera and species 446 [J. Pálfy/A. Kocsis]