Also known as Onohara, Ohnohara

Where: Saitama, Japan (36.0° N, 139.1° E: paleocoordinates 39.0° N, 136.5° E)

• coordinate stated in text

When: Nagura Formation (Chichibumachi Group), Langhian (16.0 - 13.8 Ma)

• 16.4-15.1 Ma. Age after Matsui & Kawabe (2015).

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithology not reported

Size class: macrofossils

Preservation: original phosphate

Primary reference: H. Fujimoto and O. Sakamota. 1978. A preliminary report on Paleoparadoxia sp. discovered from the Tertiary system of Chichibu basin, central Japan. Bulletin of the Chichibu Museum of Natural History 18:1-10 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 54183: authorized by Mark Uhen, entered by Mark Uhen on 26.09.2005

Creative Commons license: CC BY (attribution)