Monte San Giorgio, point 902 [unspecified layer] (Triassic to of Switzerland)

Where: Switzerland (45.9° N, 8.9° E: paleocoordinates 7.5° N, 21.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Grenzbitumenzone Member (Besano Formation), Anisian to Anisian (247.2 - 237.0 Ma)

• Anisian-Ladinian boundary

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: O. Rieppel. 1998. The status of the sauropterygian reptile genera Ceresiosaurus, Lariosaurus, and Silvestrosaurus from the Middle Triassic of Europe. Fieldiana: Geology, new series 38:1-46 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138128: authorized by Roger Benson, entered by Roger Benson on 05.01.2013, edited by Graeme Lloyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Eosuchia - Helveticosauridae
Helveticosaurus zollingeri2 Peyer 1955 archosauromorph
PIMZ T 4352, PIMZ T 4353, PIMZ T 4354
 Thalattosauria - Askeptosauridae
Askeptosaurus italicus1 Nopsca 1925 diapsid
MSNM V456, MSNM V3931, MSNM V3550, PIMUZ T 4831, PIMUZ T 4832, PIMUZ T 4839, PIMUZ T 4842, PIMUZ T 4846
 Sauropterygia - Nothosauridae
Lariosaurus buzzii n. sp. Tschanz 1989 diapsid
Holotype skeleton (PMZ T2804)