MZ-S2, Tsuzumugi, Mizukoshi Valley (Permian of Japan)

Where: Japan (32.7° N, 130.9° E: paleocoordinates 21.8° N, 105.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Follicucullus charveti - Albaillella yamakitai zone, Mizukoshi Formation, Capitanian (264.3 - 259.5 Ma)

• Upper part of formation, about 330 m below top.

•The upper member of the Mizukoshi Formation is considered upper Guadalupian (Capitanian) on the basis of radiolarian zones (Ishida et al. 2010).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, sandy shale and lithified, gray, calcareous sandstone

Size class: macrofossils

Preservation: mold/impression

Collected by J. Tazawa, S. Hasegawa

Primary reference: J. Tazawa. 2008. Permian bipolar-type brachiopod genus Terrakea from the South Kitakami and Hida Gaien belts, Japan: palaeobiogeographical implications. Earth Science (Chikyu Kagaku) 62:63-67 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118975: authorized by Matthew Clapham, entered by Matthew Clapham on 19.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Rugosochonetidae
 Orthotetida - Derbyiidae
Derbyia nipponica Nakamura 1972
 Productida - Echinoconchidae
 Productida - Productidae
Yakovlevia kaluzinensis Fredericks 1925
 Productida - Paucispiniferidae
 Productida - Linoproductidae
Terrakea yanagidai n. sp. Tazawa 2008
Anidanthus mizukoshiensis n. sp. Tazawa 2008
 Productida - Permianellidae
Permianella typica He and Zhu 1979
 Productida - Aulostegidae
Rhynchonellata
 Spiriferida - Spiriferellidae
Elivina sp. Fredericks 1924
Alispiriferella lita Fredericks 1924
 Terebratulida - Dielasmatidae
Dielasma sp. King 1856
 Rhynchonellida - Rhynchoporidae
Rhynchopora sp. King 1865
Rhynchopora matsumotoi n. sp. Tazawa 2008
 Orthida - Schizophoriidae
Orthotichia sp. Hall and Clarke 1892
 Athyridida - Neoretziidae
Hustedia ratburiensis Waterhouse and Piyasin 1970