Where: Japan (35.4° N, 137.0° E: paleocoordinates 43.6° N, 120.8° E)
• coordinate estimated from map
When: Paragondolella praelindae conodont zone, Julian (235.0 - 232.0 Ma)
• radiolarian zone Spongoserrula dehli; sample at 4.90m; studied sections are in the Kamiaso unit, which consists of thrust sheets of sedimentary sequences containing Triassic to Lower Jurassic bedded cherts and overying Middle Jurassic clastic rocks (sandstones, mudstone); studied thin sections (N and O) are located in the CH-2 thrust sheet
Environment/lithology: basinal (siliceous); green chert
Size class: microfossils
Primary reference: Y. Tomimatsu, T. Nozaki, H. Sato, Y. Takaya, J.I. Kimura, Q. Chang, H. Naraoka, M. Rigo, and T. Onoue. 2021. Marine osmium isotope record during the Carnian “pluvial episode” (Late Triassic) in the pelagic Panthalassa Ocean. Global and Planetary Change 197 [B. Seuss/B. Seuss]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 211132: authorized by Barbara Seuss, entered by Barbara Seuss on 25.06.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
| Conodonta | |
Paragondolella praelindae, Paragondolella polygnathiformis, Paragondolella foliata, Neogondolella cf. liardensis, "? Paragondolella tadpole" = Gondolella tadpole
Paragondolella praelindae conodont
Paragondolella polygnathiformis Budurov and Stefanov 1965 conodont
Paragondolella foliata Budurov 1975 conodont
Neogondolella cf. liardensis conodont reported in Yamashita et al. (2018); T. Onoue co-author in both publications
"? Paragondolella tadpole" = Gondolella tadpole Hayashi 1968 conodont reported in Yamashita et al. (2018); T. Onoue co-author in both publications
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| Protozoa | |
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Triassocampe "ssp." Dumitrica et al. 1980 radiolarian | |