Nadtey River, 4 km upstream from mouth (Permian of Russian Federation)

Where: Russian Federation (67.8° N, 45.7° E: paleocoordinates 35.4° N, 32.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous siltstone

Size class: macrofossils

Collected by Yu. Gubin; reposited in the PIN

Primary reference: A. O. Ivanov and O. A. Lebedev. 2014. Permian chondrichthyans of the Kanin Peninsula, Russia. Paleontological Journal 48:1030-1043 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164808: authorized by Matthew Clapham, entered by Matthew Clapham on 17.12.2014, edited by Joseph Flannery-Sutherland

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Ctenacanthiformes - Ctenacanthidae
"Ctenacanthus" sp. Agassiz 1836 elasmobranch
Osteichthyes
 Elonichthyiformes - Acrolepididae
"Kazanichthys viatkensis" = Kazanichthys golyushermensis
"Kazanichthys viatkensis" = Kazanichthys golyushermensis Esin 1995 ray-finned fish