Pissot Formation

The Pissot Formation is a geologic formation in the Armorican Massif of Normandy, northwestern France. It preserves fossils dating back to the Darriwilian to Sandbian (Dobrotivian in the regional stratigraphy) stages of the Ordovician period.

Fossil content
The following fossils have been reported from the formation:

Trilobites

 * Dalmanitina (Eodalmanitina) destombesi
 * Morgatia hupei
 * Dionide sp.