Valporina, minerale 2, Tessin collection, Monte San Giorgio (Triassic of Switzerland)

Also known as Val Porina

Where: Switzerland (45.9° N, 8.9° E: paleocoordinates 8.8° N, 20.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Grenzbitumenzone Member (Besano Formation), Fassanian (242.0 - 235.0 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 1932

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: O. Rieppel. 1981. The hybodontiform sharks from the Middle Triassic of Mte. San Giorgio, Switzerland. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 161:324-353 [M. Clapham/P. Vazquez/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132289: authorized by Matthew Clapham, entered by Priscilla Vazquez on 11.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Acrodontidae
? Acrodus lateralis Agassiz 1839 elasmobranch
PIMUZ T8323