Where: Russian Federation (53.6° N, 56.0° E: paleocoordinates 24.7° N, 45.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sakmarian (295.0 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by E. A. Ivanova

Primary reference: T. G. Sarycheva and T. A. Grunt. 1969. Morphology and classification of the productid family Chonostegidae. Paleontological Journal 3:347-360 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117165: authorized by Matthew Clapham, entered by Matthew Clapham on 16.09.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)