Itsukaichi-Ome area, block 21 (Permian of Japan)

Where: Japan (35.8° N, 139.2° E: paleocoordinates 14.9° N, 105.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chalaroschwagerina vulgaris foram zone, Kamiyozawa Formation, Artinskian (290.1 - 279.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: microfossils

Collection methods: Repository: Division of Earth Sciences, Museum of Nature and Human Activities, Hyogo, with prefix D2

Primary reference: F. Kobayashi. 2005. Permian foraminifers from the Itsukaichi-Ome area, west Tokyo, Japan. Journal of Paleontology 79:413-432 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128968: authorized by Matthew Clapham, entered by Matthew Clapham on 19.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Fusulinoidea - Schwagerinidae
Pseudoschwagerina "sp. A" Dunbar and Skinner 1936
 Fusulinoidea - Schubertellidae
Schubertella kingi Dunbar and Skinner 1937
 Fusulinina - Archaesphaeridae
Diplosphaerina sp. Derville 1952
 Tetrataxoidea - Tetrataxidae
 Palaeotextularoidea - Biseriamminidae
 Palaeotextularoidea - Palaeotextulariidae