Isheevo, locality 4919/22 (Permian of Russian Federation)

Where: Tatarstan, Russian Federation (55.2° N, 48.6° E: paleocoordinates 26.8° N, 42.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Podluzhnik Member (Verkhnii Uslon Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: mold/impression

Collected by I. Yusupov in 2002, 2003; reposited in the PIN

Primary reference: A. V. Mazaev. 2015. Upper Kazanian (Middle Permian) gastropods of the Volga–Urals Region. Paleontological Journal 49(8):869-986 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174712: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Caenogastropoda - Goniasmatidae
Goniasma subangulata de Verneuil 1845 snail
 Heterostropha - Donaldinidae
Donaldina dubia Mazaev 2015 snail
 Murchisoniina - Lophospiridae
Biarmeaspira yakowlewi Licharew 1967 snail
 Murchisoniina - Gosseletinidae
Baylea burtasorum Golovkinski 1868 snail