Lons-le-Saunier, R11 (Triassic of France)

Where: Jura, France (46.7° N, 5.6° E: paleocoordinates 33.5° N, 9.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; black, sandy claystone and lenticular, gray, sandy marl

• "1.30 m of blackish sandy clay in which occasional lenses of lighter and more sandy marls reach a maximum thickness of 10 cm."

Size class: mesofossils

Preservation: mold/impression

Collection methods: quarrying,

Primary reference: G. Cuny, A. Hunt, J. Mazin and R. Rauscher. 2000. Teeth of enigmatic neoselachian sharks and an ornithischian dinosaur from the uppermost Triassic of Lons-le-Saunier (Jura, France). Paläontologische Zeitschrift 74(1/2):171-185 [M. Carrano/K. Maguire/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 60566: authorized by Matthew Carrano, entered by Matthew Carrano on 17.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Chondrichthyes
 Hybodontiformes - Polyacrodontidae
"Hybodus cloacinus" = Polyacrodus cloacinus
"Hybodus cloacinus" = Polyacrodus cloacinus Quenstedt 1858 elasmobranch
 Hybodontiformes -
Lissodus minimus Agassiz 1839 elasmobranch
 Hybodontiformes - Pseudodalatiidae
Pseudodalatias barnstonensis Sykes 1971 elasmobranch
 Synechodontiformes -
""Hybodus" minor" = Rhomphaiodon minor
""Hybodus" minor" = Rhomphaiodon minor Agassiz 1837 elasmobranch
 Lamniformes - Cetorhinidae
Osteichthyes
 Saurichthyiformes - Saurichthyidae
"Saurichthys" sp. Agassiz 1834 ray-finned fish
Reptilia
 Diapsida -
Archosauriformes indet. Gauthier 1986 archosauromorph
 Lepidosauria -
? Rhynchocephalia indet. Günther 1867 rhynchocephalian
Actinopteri
 Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
Osteichthyes
 Palaeonisciformes - Palaeoniscidae
Gyrolepis sp. Agassiz 1833
"Gyrolepis" sp. Agassiz 1833
 Palaeonisciformes - Birgeriidae
"Birgeria" sp. Stensiö 1919