Crozon: Kralodvorian - Ashgill, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Leptestiidae
Leptestiina sp. Opik 1933
Strophomenata - Strophomenida - Strophomenidae
Iberomena sp. Villas 1995
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Hedstroemina sp. Bancroft 1929
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
Rhynchonellata - Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
Rhynchonellata - Pentamerida - Parastrophinidae
Rhynchonellata - Orthida - Platystrophiidae
Mcewanella sp. Foerste 1920
Rhynchonellata - Orthida - Rhactorthidae
? Rhactorthis sp. Williams 1963
Rhynchonellata - Orthida - Plaesiomyidae
Rhynchonellata - Orthida - Productorthidae
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
Ptychopleurella sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Dalmanellidae
? Dalmanella sp. Hall and Clarke 1892
Bancroftina sp. Sinclair 1946
see common names

Geography
Country:France State/province:Finistere
Coordinates: 48.3° North, 4.5° West (view map)
Paleocoordinates:65.3° South, 5.9° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Ordovician Epoch: Late Ordovician
Stage: Katian 10 m.y. bin: Ordovician 5
*Period:Late/Upper Ordovician *Epoch:Early/Lower Ashgill - Middle Ashgill
*Local age/stage:Kralodvorian
Key time interval: Kralodvorian - Ashgill
Age range of interval: 449.7 - 443.8 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Tufs et calcaires de Rosan Member:Upper
Stratigraphic resolution:member
Lithology and environment
Primary lithology:volcaniclastic calcareous claystone
Lithology description: Pillow lavas (basalt) within tuffites above limestone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:all microfossils,some macrofossils,species names
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Primarily articulate brachiopod taxonomy and biostrat.
Metadata
Also known as:Upper Part, Tufs et calcaires de Rosan Fm., Crozon, Finistere, France
Database number:20868
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:P. Wagner Research group:vertebrate
Created:2002-06-11 08:10:57 Last modified:2025-02-22 15:12:02
Access level:the public Released:2002-06-11 08:10:57
Creative Commons license:CC0
Reference information

Primary reference:
6357. M. Melou. 1990. Brachiopodes articules de la coupe de l'ile de Rosan (Crozon, Finistere); formation des tufs et calcaires de Rosan (Caradoc-Ashgill). Géobios 23(5):539-579 [A. Miller/P. Novack-Gottshall/J. Alroy]