Where: Kazakhstan (50.4° N, 57.6° E: paleocoordinates 23.5° N, 49.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Artinskian (290.1 - 279.3 Ma)

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collected by Ruzhentsev; reposited in the PIN

Collection methods: acetic

Primary reference: O. A. Lebedev. 2009. A new specimen of Helicoprion Karpinsky, 1899 from Kazakhstanian Cisurals and a new reconstruction of its tooth whorl position and function. Acta Zoologica 90:171-182 [M. Clapham/D. Robinson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119029: authorized by Matthew Clapham, entered by David Robinson on 20.10.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)