Point 902, Monte San Giorgio, Bed 61 (Triassic of Switzerland)

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

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• 28 cm thick

• bed-level stratigraphic resolution

Environment/lithology: marine; dolomite

• Finely-laminated dolomite.

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: H. Rieber. 1973. Die Triasfauna der Tessiner Kalkalpen: XXII. Cephalopoden aus der Grenzbitumenzone (Mittlere Trias) des Monte San Giorgio (Kanton Tessin, Schweiz). Schweizerische Palaeontologische Abhandlungen 93:1-96 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44691: authorized by David Bottjer, entered by Matthew Clapham on 16.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Pseudorthocerida - Trematoceratidae
"Michelinoceras campanile" = Trematoceras elegans
"Michelinoceras campanile" = Trematoceras elegans Muenster 1831
 Ceratitida - Ptychitidae
Flexoptychites acutus von Mojsisovics 1882 ceratite
 Ceratitida - Longobarditidae
Longobardites cf. zsigmondyi Bockh 1874 ceratite
 Ceratitida - Ceratitidae
? Bulogites cf. gosaviensis von Mojsisovics 1878 ceratite
Stoppaniceras grandinodosus n. gen. n. sp. ceratite
Stoppaniceras variabile n. gen. n. sp. Rieber 1973 ceratite
 Ceratitida - Arcestidae
Bivalvia
 Ostreida - Halobiidae