ammonites
Lombardian Alps, Zu Limestone Formation (Triassic of Italy)

Where: Italy (46.0° N, 10.0° E: paleocoordinates 31.5° N, 14.2° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Zu Limestone Formation, Rhaetian (205.6 - 201.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified carbonate and lithified marl

• The Zu Limestone Formation represents a nearly one km-thick sequence of bedded carbonate, marl and shale.

Size class: macrofossils

Primary reference: C. A. McRoberts, C. R. Newton, and A. Allasinaz. 1995. End-triassic bivalve extinction: Lombardian alps, Italy. Historical Biology 9:297-317 [M. Aberhan/S. Nurnberg/S. Nurnberg] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 38168: authorized by Martin Aberhan, entered by Sabine Nürnberg on 17.04.2004