GO33--Goasquellou outcrops (Devonian of France)

Where: Brittany, France (48.3° N, 4.2° W: paleocoordinates 31.9° S, 22.0° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Polygnathus varcus conodont zone, Kersadiou Formation, Middle Givetian (383.0 - 380.2 Ma)

• GO33; Lower Polygnathus varcus

• group of beds-level stratigraphic resolution

Environment/lithology: concretionary, black, gray, cherty/siliceous shale and siltstone

• 10 -15 m thick siliciclastic unit composed of gray to dark gray (almost black), shales and siltstone with several layers of dark gray siliceous concretions

Size classes: macrofossils, mesofossils

Preservation: concretion

Primary reference: R. B. Blodgett, J. Fryda, and P. R. Racheboeuf. 1999. Upper Middle Devonian (Givetian) gastropods from the Kersadiou Formation, Brittany, France. Journal of Paleontology 73(6):1081-1100 [A. Miller/K. Layou/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5920: authorized by Arnold Miller, entered by Karen Layou on 15.12.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• genus names updated through pers. comm. with P. Wagner (12/99); taxonomy as it appeared in the publication is in the comment field
Gastropoda
 Murchisoniina - Loxonematidae
Nodoloxonema plusquelleci n. sp. Blodgett et al. 1999 snail
 Murchisoniina - Palaeozygopleuridae
Palaeozygopleura sp. HornĂ½ 1955 snail
 Murchisoniina - Gosseletinidae
Eoplatyzona ongaroae Blodgett et al. 1999 snail