Where: Kazakhstan (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 (525.5 - 521.0 Ma)

• bed 4 (3 m thick), Pseudorthotheca costata zone, Aksay and Karatau Member

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified chert and lithified phosphorite

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 326:1-96 [W. Kiessling/U. Merkel/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99305: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.11.2010

Creative Commons license: CC BY (attribution)