Lons-le-Saunier, R22: Rhaetian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pectinida - Pectinidae
? Chlamys sp. Röding 1798
Saurichthyiformes - Saurichthyidae
"Saurichthys" sp. Agassiz 1834
Actinopteri - Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
Palaeonisciformes - Birgeriidae
"Birgeria" sp. Stensiö 1919
Palaeonisciformes - Palaeoniscidae
Gyrolepis sp. Agassiz 1833
"Gyrolepis" sp. Agassiz 1833
Chondrichthyes - Hybodontiformes
Lissodus minimus (Agassiz 1839)
Chondrichthyes - Lamniformes - Cetorhinidae
Pseudocetorhinus pickfordi
1 element
Chondrichthyes - Synechodontiformes
"Hybodus" minor Agassiz 1837
5 elements
recombined as Rhomphaiodon minor
Chondrichthyes - Synechodontiformes - Palaeospinacidae
Synechodus rhaeticus (Duffin 1982)
14 elements
see common names

Geography
Country:France State/province:Jura County:Franche-Comte
Coordinates: 46.7° North, 5.6° East (view map)
Paleocoordinates:33.5° North, 9.0° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Triassic Epoch:Late/Upper Triassic
Stage:Rhaetian 10 m.y. bin:Triassic 4
Key time interval:Rhaetian
Age range of interval:208.50000 - 201.30000 m.y. ago
Stratigraphy
Local section:Lons-le-Saunier R Local bed:22
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:black "shale"
Includes fossils?Y
Lithology description: "blackish shales, 1.20 m thick, that are very similar to those of R20."
Environment:coastal indet.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:mesofossils
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:60568
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2006-05-17 14:03:49 Last modified:2006-05-17 17:04:10
Access level:the public Released:2006-05-17 14:03:49
Creative Commons license:CC BY
Reference information

Primary reference:

17409.ETE 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]