Abrek Bay AB1013 (Triassic of Russian Federation)

Where: Russian Federation (42.9° N, 132.4° E: paleocoordinates 41.0° N, 110.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Neospathodus dieneri-N. pakistanensis conodont zone, Zhitkov Formation, Dienerian (250.5 - 251.2 Ma)

• Ambitoides fulginatus ammonoid zone

• bed-level stratigraphic resolution

Environment/lithology: submarine fan; lithified, concretionary mudstone

• Laminated mudstone with thin sandstone interbeds and calcareous concretions

Size class: macrofossils

Primary reference: Y. Shigeta, Y. D. Zakharov, H. Maeda and A. M. Popov. 2009. The Lower Triassic System in the Abrek Bay area, south Primorye, Russia. National Museum of Nature and Science Monographs 38:1-218 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90210: authorized by Matthew Clapham, entered by Matthew Clapham on 13.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Soleniscidae
Strobeus shigetai n. sp. Kaim 2009 snail
 Bellerophontida - Bellerophontidae
"Bellerophon abrekensis" = Dicellonema abrekensis
"Bellerophon abrekensis" = Dicellonema abrekensis Kaim 2009 snail
 Neritoidea - Naticopsidae
Abrekopsis depresispirus Batten and Stokes 1986 snail
Bivalvia
 Ostreida - Pteriidae
Pteria ussurica Kiparisova 1938 pearl oyster
 Trigoniida - Myophoriidae
Neoschizodus cf. ovatus Goldfuss 1838 clam
Cephalopoda
 Ceratitida - Gyronitidae
Gyronites sp., "Ambitoides fuliginatus" = Ambites lilangensis
Gyronites sp. Waagen 1895 ceratite
"Ambitoides fuliginatus" = Ambites lilangensis Krafft 1909 ceratite
 Ceratitida - Mullericeratidae
Ussuridiscus varaha Diener 1895 ceratite
 Ceratitida - Proptychitidae
"Proptychites alterammonoides" = Proptychites ammonoides
"Proptychites alterammonoides" = Proptychites ammonoides Waagen 1895 ceratite
 Nautilida - Grypoceratidae
Menuthionautilus korzchi Kiparisova 1960 nautiloid