Also known as Fossil horizon IV

Where: Lombardy, Italy (45.8° N, 10.5° E: paleocoordinates 6.2° N, 22.4° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• "Chieseiceras groove", Secedensis Zone. "Knollenkalke."

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, bioturbated, concretionary, gray, cherty/siliceous lime mudstone

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: P. Brack and H. Rieber. 1986. Stratigraphy and ammonoids of the lower Buchenstein Beds of the Brescian Prealps and Giudicarie and their significance for the Anisian/Ladinian Boundary. Eclogae Geologicae Helvetiae 79(1):181-225 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44557: authorized by David Bottjer, entered by Matthew Clapham on 15.09.2004, edited by Sabine Nürnberg

Creative Commons license: CC BY (attribution)