Valporina, minerale 8, Tessin collection, Monte San Giorgio (Triassic of Switzerland)

Also known as Val Porina

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

Collected in 1933

Collection methods: quarrying,

• "Tessin collection" of the Palaontologisches Institut und Museum der Universitat Zurich (PIMUZ T. numbers), begun in 1924 by Berhard Peyer and collected through at least 1968.

Primary reference: E. Kuhn. 1945. Über Acrodus-Funde aus dem Grenzbitumen-horizont der anisischen Stufe der Trias des Monte San Giorgio (Kt. Tessin). Eclogae Geologicae Helvetiae 48:662-673 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139863: authorized by Matthew Clapham, entered by Matthew Clapham on 19.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Acrodontidae
Acrodus sp. Agassiz 1838 elasmobranch