HMF12, Mizuyagadani Valley, Middle Moribudanigawa River (Permian of Japan)

Where: Japan (36.2° N, 137.3° E: paleocoordinates 20.3° N, 108.2° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Lower Member (Moribu Formation), Roadian (272.3 - 268.8 Ma)

• 5 m below the limestone of the lower member

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, black shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. I. Tazawa. 2001. Middle Permian brachiopods from the Moribu area, Hida Gaien Belt, central Japan. Paleontological Research 5(4):283-310 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 75531: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.10.2007, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Echinoconchidae
Waagenoconcha irginae1 Stuckenberg 1898
 Productida - Productidae
Yakovlevia kaluzinensis Fredericks 1925
 Productida - Monticuliferidae
Fallaxoproductus moribuensis n. sp. Tazawa 2001
 Productida - Schrenkiellidae
Permundaria asiatica Nakamura et al. 1970
Rhynchonellata
 Spiriferida - Spiriferellidae
Alispiriferella lita1 Fredericks 1924
 Spiriferida - Trigonotretidae
Gypospirifer kobiyamai2 Tazawa and Araki 2013