Where: Japan (35.4° N, 135.2° E: paleocoordinates 35.9° N, 111.8° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: IV Member (Narabara Formation), Olenekian (251.2 - 247.2 Ma)
• Lower part (member IV)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
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 115383: authorized by Matthew Clapham, entered by Matthew Clapham on 01.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Palaeoneilo sp. Hall and Whitfield 1869 clam
Palaeoneilo cf. elliptica Goldfuss 1837 clam | |
Nuculana aff. excavata Goldfuss 1837 pointed nut clam | |
Neoschizodus cf. laevigatus Ziethen 1830 clam | |
Bakevellia (Neobakevellia) tsuzuradaniensis n. sp. Nakazawa 1959 oyster
Bakevellia (Maizuria) narawarensis Nakazawa 1959 oyster |