Simazaki, Himi-mati, Toyama (Pleistocene of Japan)

Where: Japan (36.9° N, 137.0° E: paleocoordinates 37.2° N, 136.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Junicho Formation, Gelasian (2.6 - 1.8 Ma)

• From the "Himi beds" of Otuka, now the Junicho Formation. Junicho Formation is mostly Gelasian (uppermost part is Calabrian) on the basis of planktonic foram and diatom biostratigraphy, and tephrostratigraphy.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

• Alteration of sand and fine sand, pumiceous and sometimes cross-bedded

Size class: macrofossils

Primary reference: K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190755: authorized by Matthew Clapham, entered by Matthew Clapham on 16.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Dallinidae
Nipponithyris notoensis n. sp. Hatai 1940
 Terebratulida - Terebrataliidae
Tisimania sp. Hatai 1938
Terebratalia coreanica Adams and Reeve 1850
Diestothyris frontalis Middendorff 1849
 Terebratulida - Frenulinidae
Pictothyris picta Dillwyn 1817
 Terebratulida - Laqueidae
Laqueus proprius Yabe and Hatai 1934
Laqueus rubellus Sowerby 1846
 Rhynchonellida - Hemithirididae
"Hemithyris woodwardi" = Hemithiris woodwardi, Hemithyris psittacea
"Hemithyris woodwardi" = Hemithiris woodwardi Adams 1863
Hemithyris psittacea woodwardi
Hemithyris psittacea Gmelin 1790