Where: Kazakhstan (48.9° N, 79.0° E: paleocoordinates 10.0° S, 76.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Paroistodus horridus conodont zone, Naiman Formation, Darriwilian (467.3 - 458.4 Ma)

• Kopalinsk Stage locally

• bed-level stratigraphic resolution

Environment/lithology: fine-grained, black limestone

Size classes: mesofossils, microfossils

Primary reference: T. Y.u. Tolmacheva, K. E. Degtyarev, and K. N. Shatagin. 2019. Middle Ordovician Conodonts from the Chingiz Ridge (Kazakhstan): Taxonomy of the Naiman Formation Assemblage and Its Biogeographic Affinity. Stratigraphy and Geological Correlation 27(1):9-26 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220540: authorized by Pete Wagner, entered by Pete Wagner on 09.06.2021

Creative Commons license: CC BY (attribution)