Where: Japan (35.4° N, 137.0° E: paleocoordinates 44.2° N, 142.9° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Parahsuum grande assemblage-zone zone, Aalenian (174.1 - 170.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; black, gray, green, red, white chert and mudstone
Size class: microfossils
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 120014: authorized by József Pálfy, entered by Adam Kocsis on 06.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Parahsuum grande radiolarian
Parahsuum simplum Yao 1982 radiolarian | |
| |
"Acanthocircus hexagonus" = Hexasaturnalis hexagonus
"Acanthocircus hexagonus" = Hexasaturnalis hexagonus Yao 1972 radiolarian |