Cliffs of Postolonnec (Ordovician of France)

Also known as Schistes de Kerloc'h Fm., Massif Armoricain, Finistere, France

Where: Finistere, France (48.3° N, 4.5° W: paleocoordinates 68.0° S, 72.9° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Didymograptus murchisoni graptolite zone, Schistes de Kerloc'h Formation, Oretanian (468.0 - 459.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, bioturbated, concretionary, pyritic, sandy shale

• Dark shale with fine laminations and occasional lenticles, bioturbation, sand, and pyrite

Size class: macrofossils

Primary reference: J. Nion and J. L. Henry. 1966. Phacopidella (Prephacopidella) hupei nov. sp., nouveau trilobite de l'ordovicien du Finistere. Bulletin de la Societe Geologique de France 8(6):884-890 [A. Miller/P. Novack-Gottshall/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20867: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 11.06.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily trilobite and bivalve taxonomy and biostratigraphy
Trilobita
 Phacopida - Calymenidae
Neseuretus tristani Brongniart in Desmarest 1817 trilobite
Pterobranchia
 Graptoloidea - Dichograptidae
Didymograptus murchisoni Beck 1839 graptolite