Causses (Truc de Balduc section) TB 16: Toarcian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Hildoceratidae
Polyplectus discoides (Zittel 1831)
2 specimens
Cephalopoda - Ammonitida - Hammatoceratidae
Hammatoceras insigne (Schubler 1831)
3 specimens
unclassified
Osperlioceras cf. perinquieri
1 specimen
see common names

Geography
Country:France
Coordinates: 44.5° North, 3.5° East (view map)
Paleocoordinates:33.1° North, 14.8° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Early Jurassic
Stage: Toarcian 10 m.y. bin: Jurassic 3
Key time interval: Toarcian
Age range of interval: 184.2 - 174.7 m.y. ago
Stratigraphy
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: lithified marl
Lithology description: Argillaceous-marly sediments. Fossils were collected from marls.
Environment:open shallow subtidal
Geology comments: Mid to lower shelf settings. Dark-gray fine-grained sediment point to high rates of sedimentation, high turbidity, intermittently lowered oygen values and soft to soupy substrate conditions.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:210880
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:M. Krause Research group:marine invertebrate
Created:2020-06-21 02:39:19 Last modified:2022-09-07 11:06:58
Access level:the public Released:2020-06-21 02:39:19
Creative Commons license:CC BY
Reference information

Primary reference:
72777. R. Berndt. 1998. Das Makrobenthos der Causses (Südfrankreich): Palökologie einer mittel- bis oberliassischen Mergelfolge. [W. Kiessling/M. Krause]