Vtoraya Sentyabrskaya river (Bed 7) (Triassic of Russian Federation)

Where: Russian Federation (60.3° N, 149.3° E: paleocoordinates 80.2° N, 15.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Longobardites oleshkoi ammonoid zone, Fassanian (242.0 - 235.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; nodular, gray, sandy mudstone and lenticular, argillaceous limestone

Size class: macrofossils

Primary reference: Y.u. M. Bychkov. 1977. [Sections of the Trias from the upper River Kolym and northern Priochotya]. [Transactions of the Institute of Geology and Geophysics, Siberian Branch of the Academy of Sciences of the USSR] 344:51-82 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 214775: authorized by Alex Dunhill, entered by Bethany Allen on 16.10.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Tsvetkovitidae
"Longobardites cf. oleshkoi" = Eonathorstites oleshkoi
"Longobardites cf. oleshkoi" = Eonathorstites oleshkoi Archipov 1974 ceratite
 Ceratitida - Ceratitidae
Arctogymnites sp. Popov 1962 ceratite
 Phylloceratida - Ussuritidae
Monophyllites sp. Mojsisovics 1879 ammonite
Bivalvia
 Ostreida - Halobiidae
Daonella cf. prima Kiparisova 1947 oyster