Where: Japan (35.8° N, 139.2° E: paleocoordinates 15.3° N, 106.4° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Kamiyozawa Formation, Asselian to Asselian (298.9 - 259.5 Ma)
• Mixed assemblage with Asselian, Kungurian, Roadian, Wordian, and Capitanian fusulinids.
• bed-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: microfossils
Collection methods: Repository: Division of Earth Sciences, Museum of Nature and Human Activities, Hyogo, with prefix D2
Primary reference: F. Kobayashi. 2005. Permian foraminifers from the Itsukaichi-Ome area, west Tokyo, Japan. Journal of Paleontology 79:413-432 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 128991: authorized by Matthew Clapham, entered by Matthew Clapham on 19.06.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Foraminifera | |
|
Pachyphloia ovata Lange 1925 | |
|
Diplosphaerina sp. Derville 1952 | |
|
Palaeotextulariidae indet. Galloway 1933 | |
|
Globivalvulina "sp. A" Schubert 1921
Globivalvulina "sp. C" Schubert 1921 | |
|
Pseudodoliolina ozawai Yabe and Hanzawa 1932
Misellina dyhrenfurthi Dutkevich 1939
Armenina sphaera Ozawa 1927 | |
|
Neoschwagerina craticulifera Schwager 1883
Neoschwagerina simplex Ozawa 1927
Yabeina "sp. A" Deprat 1914 | |
|
Yangchienia compressa Ozawa 1927 | |
| Tubothalamea | |
|
Agathammina "sp. B" Neumayr 1887 | |