Ausinskaya Fm - Locality 2 (Amano et al. 1996), Sakhalin (Miocene of Russian Federation)

Where: Sakhalinskaya, Russian Federation (47.7° N, 142.0° E)

• Paleocoordinates: 47.5° N, 138.8° E (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ausinskaya Formation, Middle Miocene (16.0 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From sandstone, near top of ~200 m thick unit, unconformably overlying Chekhovskaya Fm and conformably underlying Kurasiiskaya Fm. AGE: No justification of Middle Miocene age.

• bed-level stratigraphic resolution

Environment/lithology: shoreface; lithified, medium-grained, concretionary, calcareous sandstone

• ENVIRONMENT: Warm-water temperate, soft sandy bottom, subtidal, euneritic. TECTONIC SETTING: No tectonic data reported. SEQUENCE STRATIGRAPHY: No sequence stratigraphic data reported.
• SPECIFIC LITHOLOGY: Medium-grained sandstone with calcareous concretions. LITHIFICATION: Lithified, based on photographic plates.

Size class: macrofossils

Collection methods: bulk,

• COLLECTORS: Amano, Khudik and Narita. REPOSITORY: JUE (Joetsu University of Education, Joetsu, Niigata Prefecture, Japan).

Primary reference: K. Amano and V.D. Khudik. 1996. An early Middle Miocene warm-water molluscan fauna in southwestern Sakhalin - Molluscs from the Ausinskaya Formation around Novoselovo. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 184:651-661 [A. Miller/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61933: authorized by Austin Hendy, entered by Austin Hendy on 07.07.2006

Creative Commons license: CC0 (CC0)

Taxonomic list

• COMPLETENESS: Exhaustive for bivalvia and gastropoda. NOMENCLATURE: Authoritative text, modern nomenclature.
Bivalvia
 Arcida - Glycymerididae
"Glycymeris (Glycymeris) cisshuensis" = Glycymeris cisshuensis, Glycymeris (Glycymeris) sp., "Glycymeris (Glycymeris) idensis" = Glycymeris idensis
"Glycymeris (Glycymeris) cisshuensis" = Glycymeris cisshuensis Makiyama 1926 clam
Glycymeris (Glycymeris) sp. da Costa 1778 clam
"Glycymeris (Glycymeris) idensis" = Glycymeris idensis Kanno 1956 clam
 Arcida - Arcidae
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
Chlamys (Chlamys) otukae Masuda and Sawada 1961 scallop
 Solenida - Pharidae
Cultellus izumoensis Yokoyama 1923 clam
 Solenida - Solenidae
Solen sp. Linnaeus 1758 clam
 Thraciida - Thraciidae
 Cardiida - Cardiidae
Clinocardium sp. Keen 1936 cockle
 Cardiida - Mactridae
 Cardiida - Veneridae
"Dosinia (Phacosoma) tugaruana" = Dosinia tugaruana Nomura 1935 venus clam
Dosinia (Kaneharaia) ausiensis Ilyina 1957 venus clam
Gastropoda
 Sorbeoconcha - Naticidae
Euspira meisensis Makiyama 1926 moon snail
Glossaulax didyma Röding 1798 moon snail
Subspecies: G. didyma coticazae