Where: Japan (35.4° N, 137.0° E: paleocoordinates 47.6° N, 144.1° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Canoptum triassicum assemblage-zone zone, Rhaetian (208.5 - 201.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified chert and lithified mudstone
Size class: microfossils
Preservation: original silica
Collection methods: chemical, hydroflouric
Primary reference: R. Hori. 1990. Lower Jurassic Radiolarian Zones of SW Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 159:562-586 [J. Pálfy/A. Kocsis]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 120176: authorized by József Pálfy, entered by Adam Kocsis on 08.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Pantanellium cf. rothwelli radiolarian
Pantanellium cf. kluense Pessagno and Blome 1980 radiolarian | |
Dictyomitrella "sp. C" Haeckel 1887 radiolarian | |
Syringocapsa "sp. A" Neviani 1900 radiolarian |