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

Where: Japan (32.7° N, 130.9° E: paleocoordinates 25.1° N, 106.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mizukoshi Formation, Wuchiapingian (259.0 - 254.0 Ma)

• Upper part of formation, about 330 m below top. Wuchiapingian age indicated by lithological similarity to Toyoma Formation and presence of 260 Ma granitic clasts in underlying conglomerate.

• 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-NC-ND (attribution-noncommercial-no derivatives)