Where: Japan (38.3° N, 141.0° E: paleocoordinates 41.4° N, 119.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Paraceratites trinodosus ammonoid zone, Rifu Formation, Illyrian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, fine-grained sandstone and lithified, sandy, calcareous shale

Size class: macrofossils

Primary reference: Y. Bando. 1964. The Triassic stratigraphy and ammonite fauna of Japan. Science Reports of the Tohoku University. Second Series, Geology 36:1-137 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101737: authorized by Matthew Clapham, entered by Matthew Clapham on 31.12.2010

Creative Commons license: CC BY (attribution)