Dictyonema Shales, Scania, Sweden: Tremadoc, Sweden

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Dendroidea - Acanthograptidae
Dictyonema sp. Hall 1851
Pterobranchia - Graptoloidea - Anisograptidae
Adelograptus sp. Bulman 1941
Bryograptus sp.
Pterobranchia - Graptoloidea - Dichograptidae
Clonograptus sp. Nicholson 1873
Orthothecida - Orthothecidae
Orthotheca sp. Novak 1886
Lingulata - Acrotretida - Acrotretidae
Acrotreta sp. Kutorga 1848
Lingulata - Lingulida - Elkaniidae
Broeggeria sp. Walcott 1902
Lingulata - Lingulida - Obolidae
Lingulella sp. Salter 1866
Malacostraca - Archaeostraca - Ceratiocarididae
? Ceratiocaris sp. M'Coy 1849
see common names

Geography
Country:Sweden
Coordinates: 56.0° North, 14.0° East (view map)
Paleocoordinates:41.7° South, 16.7° West
Geographic resolution:local area
Time
10 m.y. bin:Cambrian-Ordovician
*Period:Ordovician *Epoch:Tremadoc
Key time interval:Tremadoc
Age range of interval:485.00000 - 477.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Dictyonema Shale
Stratigraphic resolution:formation
Stratigraphy comments: Lower Tremadoc
Lithology and environment
Primary lithology:pyritic lithified "shale"
Environment:offshore shelf
Geology comments: Dark "alum", pyritic, and baritic shales
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3109
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-07-25 21:06:22 Last modified:1999-07-26 00:06:22
Access level:the public Released:2000-11-20 13:53:18
Creative Commons license:CC BY
Reference information

Primary reference:
112. T. E. Tjernvik. 1958. The Tremadocian beds at Flagboro in south-eastern Scania (Sweden). Geologiska Foereningens i Stockholm Foerdhandlingar 80:259-276 [A. Miller/P. Novack-Gottshall/A. Clement]