Itsukaichi-Ome area, block 20 (Permian of Japan)

Where: Japan (35.8° N, 139.2° E: paleocoordinates 21.3° N, 111.3° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Neoschwagerina craticulifera foram zone, Kamiyozawa Formation, Wordian (266.9 - 264.3 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 128967: authorized by Matthew Clapham, entered by Matthew Clapham on 19.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Tubothalamea
 Miliolida - Cornuspiridae
? Hemigordius "sp. A" Schubert 1908
 Miliolida - Hemigordiopsidae
Agathammina "sp. B" Neumayr 1887
Agathammina pusilla Geinitz 1848
Foraminifera
 Tetrataxoidea - Abadehellidae
Abadehella coniformis Okimura and Ishii 1975
 Fusulinoidea - Boultoniidae
Boultonia sp. Lee 1927
Dunbarula nana Kochansky-Devide and Ramovs 1955
Codonofusiella sp. Dunbar and Skinner 1937
 Fusulinoidea - Neoschwagerinidae
Neoschwagerinidae indet. Dunbar and Condra 1927
 Fusulinoidea - Verbeekinidae
Pseudodoliolina ozawai Yabe and Hanzawa 1932
Verbeekina "sp. B" Staff 1909
 Fusulinoidea - Staffellidae
Kahlerina sp. Kochansky-Devide 1955
 Fusulinoidea - Schwagerinidae
Chusenella spp. Hsu 1942
 Palaeotextularoidea - Palaeotextulariidae
 Palaeotextularoidea - Biseriamminidae
 Fusulinina - Pachyphloiidae
Pachyphloia ovata Lange 1925
 Lagenina - Frondinidae
? Ichthyofrondina sp. Vachard 1991
 Lagenina -
Pseudolangella fragilis Sellier de Civrieux and Dessauvagie 1965