Yamasuge, Kuzuu Town, Tochigi Prefecture (Permian of Japan)

Where: Japan (36.4° N, 139.6° E: paleocoordinates 19.9° N, 110.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Parafusulina kaerimizensis foram zone, Yamasuge Member (Nabeyama Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black limestone

Size class: macrofossils

Collection methods: chemical, mechanical, acetic,

Primary reference: W. E. Reif and M. Goto. 1979. Placoid scales from the Permian of Japan. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 1979(4):201-207 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90233: authorized by Matthew Clapham, entered by Matthew Clapham on 14.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Proetida - Proetidae
Pseudophillipsia (Pseudophillipsia) kuzuensis n. sp.2 Kobayashi and Hamada 1984 trilobite
 Hybodontiformes - Hybodontidae
Hybodontidae indet. Agassiz 1843 elasmobranch
 Petalodontiformes - Petalodontidae
Petalodus sp.1 chimaera