Ausinskaya Fm - Locality 1 (Amano et al. 1996), Sakhalin (Miocene of Russian Federation)

Where: Sakhalinskaya, Russian Federation (47.7° N, 142.0° E: paleocoordinates 48.2° N, 140.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: From sandstone, at base 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, pebbly, tuffaceous, carbonaceous 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: Tuffaceous, pebble bearing sandstone containing abundant plant debris. 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 61932: authorized by Austin Hendy, entered by Austin Hendy on 07.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Exhaustive for bivalvia and gastropoda. NOMENCLATURE: Authoritative text, modern nomenclature.
Gastropoda
 Neotaenioglossa - Calyptraeidae
Crepidula jimboana slipper shell
 Cerithioidea - Potamididae
Tateiwaia sp. Makiyama 1936 horn snail
 Sorbeoconcha - Naticidae
Euspira meisensis Makiyama 1926 moon snail
Glossaulax didyma Röding 1798 moon snail
Subspecies: G. didyma coticazae
 Neogastropoda - Buccinidae
Plicifusus sp. Dall 1902 true whelk
 Neogastropoda - Muricidae
? Boreotrophon sp. Fischer 1884 murex snail
Bivalvia
 Mytilida - Mytilidae
 Arcida - Arcidae
Anadara ? sp. Gray 1847 ark
 Pectinida - Pectinoidae
Chlamys (Chlamys) arakawai Nomura 1935 scallop
 Pholadida - Corbulidae
 Cardiida - Veneridae
Saxidomus sp. Conrad 1837 venus clam
"Dosinia (Phacosoma) tugaruana" = Dosinia tugaruana Nomura 1935 venus clam
Dosinia (Kaneharaia) ausiensis Ilyina 1957 venus clam
 Cardiida - Mactridae
? Oxyperas sp. Mörch 1853 clam
 Cardiida - Tellinidae
Macoma sp. Leach 1819 tellin clam
 Cardiida - Cardiidae
"Clinocardium aff. nuttallii" = Clinocardium (Clinocardium) nuttallii, "Clinocardium cf. decoratum" = Clinocardium (Clinocardium) nuttallii
"Clinocardium aff. nuttallii" = Clinocardium (Clinocardium) nuttallii Conrad 1837 cockle
"Clinocardium cf. decoratum" = Clinocardium (Clinocardium) nuttallii Conrad 1837 cockle
 Hiatellida - Hiatellidae