Meride, Tessin collection, Monte San Giorgio (Triassic of Switzerland)

Where: Switzerland (45.9° N, 9.0° E: paleocoordinates 6.9° 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 by B. Peyer, PIMUZ

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: T. Bürgin. 1992. Basal ray-finned fishes (Osteichthyes; Actinopterygii) from the Middle Triassic of Monte San Giorgio (Canton Tessin, Switzerland). Schweizerische Paläontologische Abhandlungen 114:1-164 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122059: authorized by Matthew Clapham, entered by Matthew Clapham on 15.12.2011, edited by Priscilla Vazquez

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Ptycholepiformes - Ptycholepididae
Ptycholepis barboi Bassani 1886 ray-finned fish
 Palaeonisciformes - Palaeoniscidae
Gyrolepis sp. Agassiz 1833
Actinopteri
 Peltopleuriformes - Peltopleuridae
 Louwoichthyiformes - Peltoperleididae
 Louwoichthyiformes - Louwoichthyidae
Ctenognathichthys bellottii de Alessandri 1910
 Perleidiformes - Perleididae
Meridensia meridensis de Alessandri 1910
Chondrichthyes
 Hybodontiformes - Hybodontidae
Hybodus cf. plicatilis Agassiz 1834 elasmobranch
T2497