Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 3.2° S, 98.9° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lejopyge laevigata trilobite zone, Zhumabai Formation, Ayusokkanian (499.5 - 497.0 Ma)

• sample 1347-2* from the interval 132-137 m of unit VII (132-263 m) of the Kyrshabakty River section (Ergaliev 2008)

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: mesofossils

Preservation: cast

Primary reference: S. N. Koneva. 1990. New Middle Cambrian Acrotretids (Brachiopods) from the Lesser Karatau Range. Paleontological Journal 24(3):45-55 [M. Patzkowsky/P. Borkow/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9943: authorized by Mark Patzkowsky, entered by Phil Borkow on 02.02.2001, edited by Uta Merkel

Creative Commons license: CC BY (attribution)