Also known as Byakudan

Where: Ishikawa, Japan (36.2° N, 136.7° E: paleocoordinates 45.5° N, 138.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Akaiwa Formation (Tetori Group), Valanginian to Valanginian (139.8 - 125.0 Ma)

• orig. listed as the Akaiwa sandstone member, middle part of Akaiwa Subgroup; also listed as Amagodani Fm.

• bed-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Primary reference: Y. Azuma and K.-i. Takeyama. 1991. Dinosaur footprints from the Tetori Group, central Japan—research of dinosaurs from the Tetori Group (4). Bulletin of the Fukui Prefectural Museum 4:33-51 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 60521: authorized by Matthew Carrano, entered by Kaitlin Maguire on 16.05.2006, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)