Where: Japan (35.4° N, 137.0° E)
• Paleocoordinates: 27.4° N, 143.4° E (Wright 2013)
• coordinate estimated from map
When: Metapolygnathus praecommunisti conodont zone, Tuvalian (232.0 - 221.5 Ma)
• radiolarian zone: Capnuchosphaera; sample at 9.97m (Fig. 3); 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); red 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: paleoecologic analysis
PaleoDB collection 218077: authorized by Barbara Seuss, entered by Barbara Seuss on 18.02.2021
Creative Commons license: CC0 (CC0)
Taxonomic list
Conodonta | |
"? Paragondolella tadpole" = Gondolella tadpole, Metapolygnathus praecommunisti
"? Paragondolella tadpole" = Gondolella tadpole Hayashi 1968 conodont reported in Yamashita et al. (2018); T. Onoue co-author in both publications
Metapolygnathus praecommunisti conodont | |
Protozoa | |
? Corum delgado radiolarian | |
"Annulotriassocampe sulovensis" = Triassocampe sulovensis
"Annulotriassocampe sulovensis" = Triassocampe sulovensis Kozur and Mock 1981 radiolarian |