Where: Ukraine (48.2° N, 39.3° E: paleocoordinates 5.5° N, 32.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mospyne Formation, Bashkirian (323.2 - 315.2 Ma)

• Below the G1-2 limestone layer. The ammonoid assemblage comes from an interlayer of siderite nodules 1.5 m below the G1-2 limestone layer (stratigraphic level 5b) and black shale 40 m below the G1-2 limestone layer (stratigraphic level 5a).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, nodular, sideritic, gray mudstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: IGSU, Department of Stratigraphy and Palaeontology of Palaeozoic Sediments in the Institute of Geological Sciences (National Academy of Sciences of Ukraine, Kyiv).

Primary reference: V. Dernov. 2022. Late Bashkirian ammonoids from the Mospyne Formation of the Donets Basin, Ukraine. Fossil Imprint 78:489-512 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 228670: authorized by Matthew Clapham, entered by Matthew Clapham on 25.12.2022

Creative Commons license: CC BY (attribution)