Where: Japan (34.9° N, 134.1° E: paleocoordinates 35.5° N, 110.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Kyogakubo Formation, Olenekian (251.2 - 247.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, blue, sandy shale
Size class: macrofossils
Preservation: mold/impression
Primary reference: K. Nakazawa. 1959. Permian and Eo-Triassic Bakevellias from the Maizuru Zone, southwest Japan. Memoirs of the College of Science, University of Kyoto, Series B 26:193-213 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 115401: authorized by Matthew Clapham, entered by Matthew Clapham on 01.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
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