Where: Japan (35.4° N, 136.9° E: paleocoordinates 45.0° N, 144.6° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Hexasaturnalis hexagonus assemblage zone other zone, Middle Toarcian (182.0 - 175.6 Ma)
• 202 cm above base of white massive chert bed. (by Gorican et al., 2006)
Environment/lithology: basinal (siliceous); lithified, gray, green chert
Size class: microfossils
Primary reference: M. Takeuchi. 2001. Morphologic study of multicyrtid Nassellaria (Radiolaria) from the Lower Jurassic bedded cherts in the Inuyama Area, Mino Terrane, Central Japan. News of Osaka Micropaleontologists, Special Volume 12:181-189 [J. Pálfy/A. Kocsis]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 124801: authorized by József Pálfy, entered by Adam Kocsis on 24.02.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
? Parahsuum "sp. B", Parahsuum longiconicum, Hsuum "sp. X", ? Hsuum "sp. Y", Hsuum busuangaense, Hsuum exiguum, Hsuum philippinense, Hsuum altile
? Parahsuum "sp. B" Yao 1982 radiolarian
Parahsuum longiconicum Sashida 1988 radiolarian
Hsuum "sp. X" Pessagno 1977 radiolarian
? Hsuum "sp. Y" Pessagno 1977 radiolarian
Hsuum busuangaense radiolarian
Hsuum exiguum radiolarian
Hsuum philippinense radiolarian
Hsuum altile Hori and Otsuka 1989 radiolarian | |
Elodium pessagnoi, Praeparvicingula spp., Praeparvicingula nanoconica, Praeparvicingula gigantocornis
Elodium pessagnoi radiolarian
Praeparvicingula spp. Pessagno et al. 1993 radiolarian
Praeparvicingula nanoconica Hori and Otsuka 1989 radiolarian
Praeparvicingula gigantocornis Kishida and Hisada 1985 radiolarian | |