Lanna: Billingen, Sweden

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida - Metagnostidae
Geragnostus explanatus Tjernvik 1956
Trilobita - Phacopida - Diaphanometopidae
Diaphanometopus lineatus (Angelin 1854)
recombined as Gyrometopus lineatus
Trilobita - Phacopida - Pliomeridae
Pliomerops actinurus (Dalman 1824)
recombined as Hintzeia actinura
Trilobita - Trinucleida - Raphiophoridae
Ampyx cf. pater
original and current combination Asaphus (Ampyx)
Trilobita - Asaphida - Nileidae
Varvia breviceps (Angelin 1854)
abundant in the lower part of the zone
Nileus limbatus
Symphysurus angustatus (Sars and Boeck 1838)
Trilobita - Asaphida - Cyclopygidae
Cyclopyge gallica Tjernvik 1956
recombined as Pricyclopyge gallica
in one of the upper beds only
Trilobita - Asaphida - Asaphidae
Niobe emarginula
Niobella bohlini Tjernvik 1956
Promegalaspides (Borogothus) stenorhachis (Angelin 1851)
recombined as Promegalaspides (Borogothus) stenorachis
Megalaspides nericiensis Wiman 1905
Plesiomegalaspis planilimbata (Angelin 1851)
recombined as Megistaspis (Paramegistaspis) planilimbata
see common names

Geography
Country:Sweden
Coordinates: 59.2° North, 14.9° East (view map)
Paleocoordinates:38.4° South, 11.4° West
Basis of coordinate:estimated from map
Time
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:Floian 10 m.y. bin:Ordovician 2
Key time interval:Billingen Conodont zone: Paroistodus proteus
Age range of interval:473.70000 - 469.30000 m.y. ago
Stratigraphy
Formation:Latorp Member:Lower Planilimbata Limestone
Stratigraphic resolution:member
Lithology and environment
Primary lithology:glauconitic,phosphatic,brown,green "limestone"
Lithology description: Grey or brown limestone, o . S s m thick. The basal beds are rich in glauconite grains and lumps of phosphatized anthraconite . Three thin layers of greenish grey shale are found, containing the " Shumardia fauna" described by Wiman (1905)
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Metadata
Database number:192718
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner
Created:2018-04-17 00:34:21 Last modified:2018-04-17 00:34:47
Access level:the public Released:2018-04-17 00:34:21
Creative Commons license:CC BY
Reference information

Primary reference:

111. T. E. Tjernvik. 1956. On the Early Ordovician of Sweden stratigraphy and fauna. Bulletin of the Geological Institutions of the University of Uppsala 36(6):109-284 [A. Miller/P. Novack-Gottshall/A. Clement]