Cava Trefontane, Monte San Giorgio (MCSM collection) (Triassic of Switzerland)

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

• coordinate estimated from map

• small collection-level geographic resolution

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

• Spans Anisian-Ladinian boundary but large majority of section is Illyrian

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, carbonaceous dolomite

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Museo Civico di Milano (MCSM

Primary reference: G. de Alessandri. 1910. Studii sui pesci Triasici della Lombardia. Memorie della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 7(1):1-145 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153402: authorized by Matthew Clapham, entered by Matthew Clapham on 14.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Perleidiformes - Colobodontidae
Colobodus triasicus Bassani 1886
coll. Neri Sizzo
Colobodus bassanii de Alessandri 1910
2 coll. Repossi, 2 coll. N. Sizzo, and numerous isolated scales, fins, head bones
 Perleidiformes - Perleididae
"Pholidophorus meridensis" = Meridensia meridensis
"Pholidophorus meridensis" = Meridensia meridensis de Alessandri 1910
1 coll. Neri Sizzo (donated to Museo Civico), 1 in collection of Enrico Bonfanti