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)