Where: Japan (39.0° N, 141.5° E: paleocoordinates 21.9° N, 112.5° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Kanokura Formation, Roadian (272.3 - 268.8 Ma)
• Co-occurs with Monodiexodina matsubaishi
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, fine-grained, brown, green sandstone
Size class: macrofossils
Preservation: mold/impression
Primary reference: J. Tazawa. 1974. Two species of Permundaria from the Kitakami Mountains, northeast Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 94:313-318 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 118925: authorized by Matthew Clapham, entered by Matthew Clapham on 18.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Rhynchonellata | |
|
Spiriferellina cristata von Schlotheim 1816 | |
|
Stenoscisma margaritovi Tschernyschew 1902 | |
| Strophomenata | |
|
Spinomarginifera kueichowensis Huang 1932 | |
|
Permundaria asiatica Nakamura et al. 1970
Permundaria tenuistriata n. sp. Tazawa 1974 | |