Valle Stelle, Tessin collection, Monte San Giorgio (Triassic of Switzerland)

Where: Switzerland (45.9° N, 9.0° 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 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: 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 122060: 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 cf. schaefferi1 Bürgin 1992 ray-finned fish
Ptycholepis priscus1 Bürgin 1992 ray-finned fish
Ptycholepis magnus1 Bürgin 1992 ray-finned fish
Ptycholepis barboi1 Bassani 1886 ray-finned fish
 Pholidopleuriformes - Pholidopleuridae
Pholidopleurus sp.1 Bronn 1858 ray-finned fish
Highly likely P. ticinensis
Pholidopleurus ticinensis1 Bürgin 1992 ray-finned fish
 Pholidopleuriformes -
Gracilignathichthys microlepis n. gen. n. sp.1 Bürgin 1992 ray-finned fish
Actinopteri
 Perleidiformes - Perleididae
Meridensia meridensis1 de Alessandri 1910
 Peltopleuriformes - Peltopleuridae
 Peltopleuriformes - Wushaichthyidae
 Louwoichthyiformes - Louwoichthyidae
Ctenognathichthys bellottii1 de Alessandri 1910
Osteichthyes
 Palaeonisciformes - Palaeoniscidae
Gyrolepis sp.1 Agassiz 1833
 Palaeonisciformes - Bobasatraniidae
Bobasatrania ceresiensis n. sp.1 Bürgin 1992
Chondrichthyes
 Hybodontiformes - Acrodontidae
? Acrodus lateralis2 Agassiz 1839 elasmobranch
PIMUZ T3815 (coll. 1930)