KY4, Yamasuge, Kuzu area (Permian of Japan)

Where: Japan (36.4° N, 139.6° E: paleocoordinates 17.4° N, 108.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Parafusulina yabei foram zone, Nabeyama Formation, Kungurian (279.3 - 272.3 Ma)

• Lower Nabeyama Formation, with Parafusulina yabei Hanzawa, 1942

•"the age of the Yamasuge fauna is Artinskian to Kungurian, most probably Kungurian" (Tazawa et al. 2012)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black limestone

Size class: macrofossils

Collected by Y. Okumura, M. Shimizu

• Repository: Kuzu Fossil Museum in Kuzu, Sano City, Tochigi Prefecture.

Primary reference: J. I. Tazawa, Y. Okumura, and M. Shimizu. 2012. Permian brachiopods from Yamasuge in the Kuzu area, Ashio Mountains, central Japan, part 2. Science Reports, Niigata University (Geology) 27:51-71 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149806: authorized by Matthew Clapham, entered by Matthew Clapham on 26.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Paucispiniferidae
Transennatia sp. Waterhouse 1975
 Productida - Productellidae
Echinauris lateralis Muir-Wood and Cooper 1960
 Orthotetida - Schuchertellidae
Bothrostegium sp. Cooper and Grant 1974
Goniarina permiana Stehli 1954
Rhynchonellata
 Spiriferida - Trigonotretidae
Cartorhium coristum Cooper and Grant 1976
 Athyridida - Athyrididae
 Athyridida - Neoretziidae
Hustedia culcitula Cooper and Grant 1976
 Spiriferinida - Pennospiriferinidae
 Spiriferinida - Spiriferellinidae
Metriolepis kuzuensis n. sp. Tazawa 2012
 Orthida - Schizophoriidae
Acosarina rectimarginata Cooper and Grant 1976
Orthotichia japonica Hayasaka 1932
 Orthida - Enteletidae
 Orthida - Rhipidomellidae