Where: Toyama, Japan (36.9° N, 137.7° E: paleocoordinates 48.0° N, 147.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Teradani Formation (Kuruma Group), Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• All from float, horizon unknown but formation assumed based on age of fossils

• group of beds-level stratigraphic resolution

Environment/lithology: marine; siltstone

Size class: macrofossils

Primary reference: K. Nakada, M. Goto, C. Meister and A. Matsuoka. 2021. The late Pliensbachian (Early Jurassic) ammonoid Amaltheus in Japan: systematics and biostratigraphic and paleobiogeographic significance. Journal of Paleontology 95(5):1004-1021 [B. Allen/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 222653: authorized by Bethany Allen, entered by Bethany Allen on 11.10.2021

Creative Commons license: CC BY (attribution)