Porsguen Formation trilobites, Rade de Brest, Massif Armoricain (Devonian to of France)

Where: Alsace, France (48.4° N, 4.5° W)

• Paleocoordinates: 32.4° S, 4.2° W (Wright 2013)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Porsguen Formation, Frasnian to Frasnian (382.7 - 358.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; cherty/siliceous shale and limestone

• Lithotypes from diagrammatic section: "schistes"; "schistes a nodules siliceux" [also some limestone nodules]; "calcaires"

Primary reference: P. Morzadec. 1983. Trilobites du Devonien (Emsien-Famennien) de la Rade de Brest (Massif Armoricain). Palaeontographica Abteilung A 181(4-6):103-184 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40080: authorized by Michael Foote, entered by Michael Foote on 16.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Trilobites only.
Show authors, comments, and common names
Trilobita
 Phacopida - Acastidae
Bradocryphaeus fiacrensis
Bradocryphaeus fiacrensis Morzadec 1976 trilobite