Where: Yamaguchi, Japan (34.2° N, 131.2° E: paleocoordinates 43.1° N, 114.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Momonoki Formation (Mine Group), Carnian (237.0 - 228.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified, silty mudstone

Size class: mesofossils

Primary reference: B. T. Breeden, N. Oyama, M. Manabe, H. Takahashi, and C. Sakata. 2024. A new freshwater lonchidiid hybodontiform shark (Chondrichthyes, Elasmobranchii) from the Upper Triassic Momonoki Formation in Yamaguchi, Japan. Journal of Vertebrate Paleontology [B. Breeden/B. Breeden]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 234282: authorized by Benjamin Breeden, entered by Benjamin Breeden on 26.03.2024

Creative Commons license: CC BY (attribution)