Where: Japan (35.7° N, 136.3° E: paleocoordinates 47.2° N, 146.0° E)
• coordinate stated in text
• hand sample-level geographic resolution
When: Early/Lower Jurassic (201.4 - 174.7 Ma)
Environment/lithology: basinal (siliceous); lithified mudstone
Size class: microfossils
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 125775: authorized by József Pálfy, entered by Adam Kocsis on 22.03.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Praeparvicingula gigantocornis Kishida and Hisada 1985 radiolarian | |
Parahsuum longiconicum Sashida 1988 radiolarian
Hsuum exiguum radiolarian | |
Trillus elkhornensis Pessagno and Blome 1980 radiolarian |