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

Where: Russian Federation (64.0° N, 141.9° E: paleocoordinates 85.8° N, 120.1° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Pinacoceras verchojanicum ammonoid zone, Lacian (221.5 - 215.6 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 202710: authorized by Alex Dunhill, entered by Bethany Allen on 19.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Trachyceratidae
"Argosirenites obrucevi" = Pterosirenites obrucevi
"Argosirenites obrucevi" = Pterosirenites obrucevi Bajarunas 1932 ceratite
 Pectinida - Oxytomidae
Oxytoma zitteli Teller 1886 scallop