Where: Kazakstan (43.6° N, 69.7° E: paleocoordinates 5.0° N, 102.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Chulaktau Formation, Tommotian (530.0 - 520.0 Ma)

• bed 5 (3 m thick), Bercutia cristata zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified conglomerate

Size class: macrofossils

Primary reference: V. V. Missarzhevsky and A. M. Mambetov. 1981. Stratigrafiya i fauna pogranichnykh sloyev Kembriya i Dokembriya Malogo Karatau [Stratigraphy and fauna of the Precambrian-Cambrian boundary beds of the Malyy Karatau]. Trudy Ordena Trudovogo Krasnogo Znameni Geologicheskiy Institut Akademiya NAUK SSSR 326:1-90 [W. Kiessling/U. Merkel/P. Wagner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99315: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.11.2010