THE DISCOVERY OF AMMONOIDS IN THE CUNARDO FORMATION (VARESE). A NEW CHRONOSTRATIGRAPHIC INTERPRETATION

The discovery of ammonoids at the top of the Cunardo Formation allows the revision of the chronostratigraphic position of the unit. Detoniceras , Argolites and Anolcites  testify the Archelaus Zone. The age of the unit is then Ladinian instead of Carnian, as reported in literature.