d'Urville Fm., May-sur-Orne, Calvados, France: Oretanian - Dobrotivian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Phacopida - Dalmanitidae
Crozonaspis sp. Henry 1968
Trilobita - Phacopida - Homalonotidae
Kerfornella sp. Henry 1976
Trilobita - Phacopida - Calymenidae
Neseuretus sp. Hicks 1873
see common names

Geography
Country:France State/province:Calvados
Coordinates: 49.0° North, 0.0° West (view map)
Paleocoordinates:65.6° South, 75.9° East
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Ordovician Epoch: Middle Ordovician
10 m.y. bin: Ordovician 2-3 - Ordovician 3-4
*Period:Middle Ordovician *Epoch:Llanvirn
*Local age/stage:Oretanian - Dobrotivian
Key time interval: Oretanian - Dobrotivian
Age range of interval: 468 - 458.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:d'Urville
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:micaceous lithified siltstone
Lithology description: Micaceous siltstone
Environment:offshore
Taphonomy
Collection methods and comments
Collection excludes:all microfossils,some macrofossils,species names
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Primarily trilobite taxonomy and biostratigraphy
Metadata
Database number:20886
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:P. Novack-Gottshall Research group:marine invertebrate
Created:2002-06-12 06:13:02 Last modified:2002-06-12 09:13:02
Access level:the public Released:2002-06-12 06:13:02
Creative Commons license:CC BY
Reference information

Primary reference:
6363. W. Hammann and J. L. Henry. 1978. Quelques especes de Calymenella, Eohomalonotus et Kerfornella (Trilobita, Ptychopariida) de l'Ordovicien du Massif Armoricain et de la Peninsule Iberique. Senckenbergiana Lethaea 59(4-6):401-429 [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]