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

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• 34 cm thick

• bed-level stratigraphic resolution

Environment/lithology: marine; dolomite

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: H. Rieber. 1973. Die Triasfauna der Tessiner Kalkalpen: XXII. Cephalopoden aus der Grenzbitumenzone (Mittlere Trias) des Monte San Giorgio (Kanton Tessin, Schweiz). Schweizerische Palaeontologische Abhandlungen 93:1-96 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44696: authorized by David Bottjer, entered by Matthew Clapham on 16.09.2004

Creative Commons license: CC BY (attribution)