River Malogo basin, Anyuya (Triassic of Russian Federation)

Where: Russian Federation (63.9° N, 140.1° E: paleocoordinates 74.3° N, 21.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Smithian (251.3 - 247.2 Ma)

• "Lower Olenek" (Bychkov et al. 1976)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Y.u. M. Bychkov, A. S. Dagys, A. F. Efimova and I. V. Polubotko. 1976. Atlas Triasovoj fauny i fory Severo-Vostoka SSSR [Atlas of Triassic fauna and flora from North-East USSR]. 1-267 [A. Dunhill/B. Allen/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 202836: authorized by Alex Dunhill, entered by Bethany Allen on 22.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Posidoniidae
Posidonia subtilis, "Posidonia kulensis" = Posidonia olenekensis, "Posidonia sossunovi" = Peribositria sossunovi
Posidonia subtilis Bytschkov and Efimova 1968 oyster
"Posidonia kulensis" = Posidonia olenekensis Popov 1964 oyster
"Posidonia sossunovi" = Peribositria sossunovi Bytschkov and Efimova 1968 oyster