Seceda Section, 8.4 m (Triassic of Italy)

Where: Trentino, Italy (46.6° N, 11.7° E: paleocoordinates 6.3° N, 23.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Secedensis ammonoid zone, Buchenstein Formation, Illyrian (247.2 - 242.0 Ma)

• Knollenkalke. Secedensis Zone?

• bed-level stratigraphic resolution

Environment/lithology: basinal (); bioturbated, concretionary, peloidal, argillaceous, cherty/siliceous lime mudstone

• Irregularly spaced but generally dm-scale bedded, wavy to nodular, calcareous and sometimes pelletoidal mudstones surrounded by argillaceous material. Bioturbation is common and chert occur in nodules or as diffuse patches.

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: P. Brack and H. Rieber. 1993. Towards a better definition of the Anisian/Ladinian boundary: new biostratigraphic data and correlations of boundary sections from the Southern Alps. Eclogae Geologicae Helvetiae 86(2):415-527 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44639: authorized by David Bottjer, entered by Matthew Clapham on 15.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Ceratitidae
"Ticinites dolomiticus n. sp." = Ticinites hantkeni, Stoppaniceras evolutum n. sp.
"Ticinites dolomiticus n. sp." = Ticinites hantkeni Mojsisovics 1882 ceratite
Stoppaniceras evolutum n. sp. Brack and Rieber 1993 ceratite