Loc. HN08, Usui River [Itahana Fm] (Miocene of Japan)

Also known as Loc. C of Kato (2001)

Where: Japan (36.3° N, 138.9° E: paleocoordinates 37.7° N, 137.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Itahana Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Itahana Fm, of the Annaka Gp, which overlies the Haraichi Fm. AGE: Late Miocene, c. 11 Ma. STRATIGRAPHIC POSITION: From the lower unit of the Itahana Fm.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, medium-grained, coarse, pebbly sandstone

• SPECIFIC LITHOLOGY: Fossiliferous pebbly medium- coarse-grained sandstone bed. LITHIFICATION:

Size class: macrofossils

Collection methods: COLLECTOR: Not stated in text. REPOSITORY: GMNH (Gunma Museum of Natural History).

Primary reference: Y. Kurihara and T. Kase. 2008. First record of the Northeastern Pacific patellogastropod genus Acmaea from the Miocene of Japan and its paleobiogeographic implications. The Veliger 50(1):39-47 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89171: authorized by Austin Hendy, entered by Austin Hendy on 08.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxon described in text and several associated genera. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
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Gastropoda
 Sorbeoconcha - Ranellidae
Charonia sp.
Charonia sp. Gistel 1848 triton
 Neogastropoda - Buccinidae
"Kelletia sp." = Siphonalia (Kelletia)
"Kelletia sp." = Siphonalia (Kelletia) Fischer 1884 true whelk
 Trochoidea - Trochidae
Chlorostoma sp.
Chlorostoma sp. Swainson 1840 top snail
 Patellida - Lottiidae
Acmaea mitra
Acmaea mitra Eschscholtz 1833 limpet