Where: Japan (35.4° N, 135.3° E: paleocoordinates 35.9° N, 111.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Shidaka Formation, Spathian (251.3 - 247.2 Ma)

• Top of the lower Triassic?

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified sandstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: K. Nakazawa. 1959. Permian and Eo-Triassic Bakevellias from the Maizuru Zone, southwest Japan. Memoirs of the College of Science, University of Kyoto, Series B 26:193-213 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115389: authorized by Matthew Clapham, entered by Matthew Clapham on 01.09.2011

Creative Commons license: CC BY (attribution)