Samara Zavolzhye (Permian of Russian Federation)

Where: Russian Federation (53.0° N, 48.6° E: paleocoordinates 25.1° N, 44.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Krasnyi Yar Formation, Roadian (272.3 - 268.8 Ma)

• Krasnyi Yar Beds of the Lower Kazanian Substage

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: A. V. Mazaev. 2017. The development of the genus Biarmeaspira (Gastropoda) in the Kazanian Paleobasin (Middle Permian, Volga-Urals Region). Paleontological Journal 51:223-232 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186483: authorized by Matthew Clapham, entered by Matthew Clapham on 22.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Trochonematoidea - Lophospiridae
Biarmeaspira jusupovi Mazaev 2015 snail
Biarmeaspira angulata Netchaev 1894 snail