Where: Japan (33.8° N, 130.5° E: paleocoordinates 40.3° N, 126.4° E)
• small collection-level geographic resolution
When: Waita Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• STRATIGRAPHIC RELATIONS: From Waita Fm, which overlies the Honjo Fm of the Ashiya Gp. THICKNESS: From individual bed within formation that reaches 450 m in thickness. AGE: latest Early Oligocene according to Sakakura (2002) on the basis of calcareous nannoplankton and foraminifera (see Saito and Okada, 1984; Tsuchi et al., 1987). STRATIGRAPHIC POSITION: From cycle W-10, near top of formation.
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; poorly lithified, bioturbated sandstone
Size class: macrofossils
Collection methods: COLLECTOR: Presumably Sakakura (c. 2002). REPOSITORY: Possibly Kyoto University, Kyoto, Japan.
Primary reference: N. Sakakura. 2002. Taphonomy of bivalve assemblages in the upper part of the Paleogene Ashiya Group, southwestern Japan. Paleontological Research 6(1):101-120 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 70765: authorized by Austin Hendy, entered by Austin Hendy on 04.04.2007
Creative Commons license: CC BY (attribution)