Mercey, Cheilly, Dheune valley (Triassic of France)

Where: Bourgogne, France (46.9° N, 4.7° E: paleocoordinates 33.4° N, 8.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

• "blocks of arkose"

Size class: mesofossils

Collection methods: surface (float),

Primary reference: J. J. Thomasset. 1930. Le bone-bed rhétien de la vallée de la Dheune [The Rhaetian bonebed of the Dheune valley]. Bulletin de la Société Géologique de France, 4e série 30(9):1115-1120 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 109711: authorized by Matthew Carrano, entered by Matthew Carrano on 25.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus latissimus
Ceratodus latissimus Agassiz 1838 lungfish
tooth
Reptilia
 Saurischia -
Thecodontosaurus sp.
Thecodontosaurus sp. Riley and Stutchbury 1836 sauropodomorph
teeth
Actinopteri
 Semionotiformes - Semionotidae
Sargodon tomicus
Sargodon tomicus Plieninger 1847
teeth, "very common"
Osteichthyes
 Palaeonisciformes - Birgeriidae
"Saurichthys acuminatus" = Birgeria acuminata
"Saurichthys acuminatus" = Birgeria acuminata Agassiz 1843
teeth, "very common"
 Gnathostomata -
Teleostomi indet.
Teleostomi indet.
scales, 4 types
Chondrichthyes
 Elasmobranchii -
Elasmobranchii indet.
Elasmobranchii indet. Bonaparte 1838 elasmobranch
 Hybodontiformes - Acrodontidae
? Acrodus sp.
? Acrodus sp. Agassiz 1834 elasmobranch
ichthyodorulith
 Hybodontiformes - Hybodontidae
Hybodus sp., Hybodus sublaevis
Hybodus sp. Agassiz 1834 elasmobranch
ichthyodoruliths, "rather common"
Hybodus sublaevis Agassiz 1843 elasmobranch
teeth, "abundant"
 Hybodontiformes -
"Acrodus minimus" = Lissodus minimus
"Acrodus minimus" = Lissodus minimus Agassiz 1839 elasmobranch
teeth, "common"