HMF2, Moribudanigawa River, Moribu Village (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)

• 4 m above the base of the limestone of the lower member

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, gray, muddy limestone

• dark grey argillaceous impure limestone

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 75527: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Spiriferellidae
"Spiriferella lita" = Alispiriferella lita, "Alispiriferella japonica n. sp." = Alispiriferella lita
"Spiriferella lita" = Alispiriferella lita Fredericks 1924
"Alispiriferella japonica n. sp." = Alispiriferella lita Fredericks 1924
 Athyridida - Neoretziidae
Hustedia ratburiensis Waterhouse and Piyasin 1970
 Rhynchonellida - Stenoscismatidae
Stenoscisma margaritovi Tschernyschew 1902
Strophomenata
 Productida - Aulostegidae
 Productida - Lyttoniidae
Leptodus nobilis Waagen 1883
 Productida - Productidae
Reticulatia sp. Muir-Wood and Cooper 1960
 Productida - Linoproductidae
Megousia sp. Muir-Wood and Cooper 1960
"Cancrinella cf. spinosa" = Grandaurispina kozlowskiana Fredericks 1925
 Productida - Paucispiniferidae
 Strophomenida - Rugosochonetidae
 Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884