Indigirka River basin (yakutensis zone) (Triassic of Russian Federation)

Where: Russian Federation (64.0° N, 141.9° E: paleocoordinates 85.0° N, 41.0° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Sirenites yakutensis zone, Tuvalian (232.0 - 221.5 Ma)

• 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 202834: authorized by Alex Dunhill, entered by Bethany Allen on 22.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Trachyceratidae
"Sirenites yakutensis" = Orientosirenites yakutensis
"Sirenites yakutensis" = Orientosirenites yakutensis Kiparisova 1937 ceratite
Bivalvia
 Ostreida - Halobiidae
Halobia austriaca Mojsisovics 1874 oyster