Where: Japan (38.7° N, 141.3° E: paleocoordinates 23.6° N, 113.8° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Wordian (268.8 - 265.1 Ma)
• Stratigraphy details are unclear. Fossils assigned to Nishikori Formation (stated to be an equivalent of the Kanokura Formation) in introduction, but locality and horizon info gives unit as Maiya Formation (below Lyttonia bed)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, black shale
Size class: macrofossils
Preservation: mold/impression
Collected by F. Ueda
Primary reference: I. Hayasaka. 1967. Some Permian fossils from southern Kitakami. VII Two species of Phymatifer. Proceedings of the Japan Academy 43:143-147 [M. Clapham/M. Clapham]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 149798: authorized by Matthew Clapham, entered by Matthew Clapham on 26.08.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Phymatifer aff. nodocarinatus" = Euomphalus nodocarinatus
"Phymatifer aff. nodocarinatus" = Euomphalus nodocarinatus Wanner 1922 snail |