9Fossil sites

Postolonnec Formation

Postolonnec Formation in France: 9 fossil sites. Typical age: 469–458 million years (Ordovician).

9Fossil sites

25Finds

469–458 million yearsTypical age

OrdovicianMain period

Where its fossils were found

Postolonnec Formation

Ordovician

By geological period

Ordovician9

What was found

Trilobites · 25Crozonaspis, Kerfornella, Morgatia, Neseuretus, Plaesiacomia, Dalmanitina (Dalmanitina), Mucronaspis, Phacopidina, Selenopeltis, Colpocoryphe, Prionocheilus, Iberocoryphe

Towns with the most fossil sites nearby

PostolonnecFossil sites: 7

KerdevotFossil sites: 1

PléchâtelFossil sites: 1

Other formations of the same period

Ordovician

Andouillé Formation 22 Saint-Chinian Formation 15 Landeyran Formation 14 Couches du Foulon Formation 10 Traveusot Formation 10 Couches de la Maurerie Formation 10 Schistes d’Angers Formation 9 Val d'Homs Formation 7 La Maurerie Formation 6 Grès Armoricain 6 Grès de May 5 Mont de Besneville Formation 4 Schistes de Saint-Chinian Formation 3 Kermeur Formation 3 Saint-Germain-sur-Ille Formation 3 Glauzy Formation 3 Cluse de l’Orb Formation 3