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

Where: Alsace, France (48.4° N, 4.5° W: paleocoordinates 38.1° S, 30.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Kerdreolet Formation, Late/Upper Emsian (402.5 - 391.9 Ma)

• upper Emsian

• formation-level stratigraphic resolution

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

• Lithotypes from diagrammatic section: "schistes a nodules siliceux" [also showing symbol that seems to denote 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 40068: 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
 Corynexochida - Styginidae
Thysanopeltella kerbelecensis
 Phacopida - Acastidae
Greenops struvei, Breizhops bigranulosus, Treveropyge (Treveropyge) celtica
 Phacopida - Phacopidae
Phacops sp.
Phacops sp. Emmrich 1839 trilobite
 Proetida - Aulacopleuridae
Otarion (Otarion) oceanicum
 Proetida - Tropidocoryphidae
Cornuproetus (Lepidoproetus) "sp. 1", Cornuproetus (Lepidoproetus) "sp. 2", Tropidocoryphe (Tropidocoryphe) erbeni
Cornuproetus (Lepidoproetus) "sp. 1" Richter and Richter 1919 trilobite
Cornuproetus (Lepidoproetus) "sp. 2" Richter and Richter 1919 trilobite
 Proetida - Proetidae
Proetus (Gerastos) ex gr. cuvieri
Proetus (Gerastos) ex gr. cuvieri Steininger 1831 trilobite
 Lichida - Odontopleuridae
Leonaspis (Leonaspis) britannica