Where: Svalbard and Jan Mayen (78.1° N, 13.9° E: paleocoordinates 41.2° N, 8.3° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Tvillingodden Formation (Sassendalen Group), Olenekian (251.2 - 247.2 Ma)

Environment/lithology: offshore; siltstone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collection methods: bulk,

• They only list the startigraphical useful fossils

Primary reference: T.M. Pchelina. 1965. Stratigraphy and composition of the Mesozoic deposits in central Vestspitsbergen. In V.N. Sokolov (ed.), Geology of Spitsbergen 1:131-154 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 212967: authorized by William Foster, entered by William Foster on 23.08.2020

Creative Commons license: CC BY (attribution)