Where: France (48.2° N, 4.5° W: paleocoordinates 67.7° S, 73.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Postolonnec Formation, Middle Ordovician (470.0 - 458.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, silty schist

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: J.-L. Henry. 1980. Trilobites ordoviciens du Massif armoricain. Mémoires de la Société Géologique et Minéralogique de Bretagne 22:1-250 [D. Gendry/D. Gendry]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174555: authorized by Damien Gendry, entered by Damien Gendry on 15.11.2015

Creative Commons license: CC BY (attribution)