LA12--Lanvoy outcrop (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)

• LA-12; Polygnathus varcus (lower)

• group of beds-level stratigraphic resolution

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

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

Size classes: macrofossils, mesofossils

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 5915: authorized by Arnold Miller, entered by Karen Layou on 15.12.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Murchisoniina - Loxonematidae
Nodoloxonema plusquelleci n. sp.
Nodoloxonema plusquelleci n. sp. Blodgett et al. 1999 snail
 Murchisoniina - Palaeozygopleuridae
Palaeozygopleura sp.
Palaeozygopleura sp. Horný 1955 snail
 Murchisoniina - Gosseletinidae
"Angyomphalus (Eoangyomphalus) weyanti n. sp." = Eoangyomphalus weyanti
"Angyomphalus (Eoangyomphalus) weyanti n. sp." = Eoangyomphalus weyanti Blodgett et al. 1999 snail
 Murchisoniina - Murchisoniidae
Parahormotomina sibertae n. sp.
Parahormotomina sibertae n. sp. Blodgett et al. 1999 snail
 Bellerophontida - Tropidodiscidae
Sinuitina morzadeci n. sp.
Sinuitina morzadeci n. sp. Blodgett et al. 1999 snail
 Bellerophontida - Bucanellidae
Crenistriella armoricana n. sp.
Crenistriella armoricana n. sp. Blodgett et al. 1999 snail
 Bellerophontida - Pterothecidae
"Patellilabia (Phragmosphaera) ponceti" = Phragmosphaera ponceti
"Patellilabia (Phragmosphaera) ponceti" = Phragmosphaera ponceti Blodgett et al. 1999 snail
 Euomphalina - Platyceratidae
"Brokenriveria cf. caelata" = Brokenriveria caelatus
"Brokenriveria cf. caelata" = Brokenriveria caelatus Goldfuss 1844 snail