Where: Japan (35.4° N, 136.6° E: paleocoordinates 19.7° N, 107.3° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Cancellina nipponica foram zone, Akasaka Formation, Roadian (272.3 - 268.8 Ma)
• Lower Member
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, gray limestone
Size class: microfossils
Collection methods: peel or thin section,
• Repository: Museum of Nature and Human Activities, Hyogo, Japan (Fumio Kobayashi Collection).
Primary reference: F. Kobayashi. 2011. Permian fusuline faunas and biostratigraphy of the Akasaka Limestone (Japan). Revue de Paléobiologie, Genève 30:431-574 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 128819: authorized by Matthew Clapham, entered by Matthew Clapham on 17.06.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Pseudoreichelina sp. Miklukho-Maclay 1949 | |
Parafusulina yoshiakiozawai Kobayashi 2011 | |
Neofusulinella phairayensis, Schubertella ovalis, Yangchienia compressa, "Toriyamaia latiseptata" = Toriyamaia laxiseptata
Neofusulinella phairayensis Colani 1924
Schubertella ovalis Kobayashi 2011
Yangchienia compressa Ozawa 1927
"Toriyamaia latiseptata" = Toriyamaia laxiseptata Kanmera 1956 | |
Armenina sphaera Ozawa 1927 | |
Dunbarula oviformis Kobayashi 2006 | |
Cancellina postnipponica Kobayashi 2011 |