Where: Switzerland (45.9° N, 8.9° E: paleocoordinates 7.0° N, 21.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Grenzbitumenzone Member (Besano Formation), Illyrian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified dolomite and lithified, black shale

Size class: macrofossils

Preservation: adpression

Collection methods: quarrying,

• Repository: MCSN: Museo Cantonale di Storia Naturale, Lugano, Switzerland

Primary reference: V. Pieroni and H. Furrer. 2020. Middle Triassic gastropods from the Besano Formation of Monte San Giorgio, Switzerland. Swiss Journal of Palaeontology 139(2) [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220838: authorized by Matthew Clapham, entered by Matthew Clapham on 17.06.2021

Creative Commons license: CC BY (attribution)