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.^[1]

Pissot Formation
Stratigraphic range: Darriwilian-Sandbian (Dobrotivian) ~461–457.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Geologic map of the Armorican Massif
Type	Formation
Lithology
Primary	Siltstone
Location
Coordinates	49.0°N 1.0°W / 49.0; -1.0
Approximate paleocoordinates	66.9°S 72.2°E / -66.9; 72.2
Region	Orne
Country	France
Extent	Armorican Massif
Pissot Formation (France) Show map of France Pissot Formation (Normandy) Show map of Normandy

Fossil content

The following fossils have been reported from the formation:^[1][2][3]

Trilobites

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

See also

• List of fossiliferous stratigraphic units in France