Section AV4, 128m, Avalanche Lake: Sheinwoodian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Anthaspidellidae
Archaeoscyphia annulata (Rigby 1973)
see common names

Geography
Country:Canada State/province:Northwest Territories
Coordinates: 62.4° North, 127.1° West (view map)
Paleocoordinates:6.9° North, 51.6° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Silurian Epoch:Wenlock
Stage:Sheinwoodian 10 m.y. bin:Silurian 2
Key time interval:Sheinwoodian
Age range of interval:433.40000 - 430.50000 m.y. ago
Stratigraphy
Formation:Delorme
Local section:AV4 Local bed:128 m
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified lime mudstone
Secondary lithology: lithified wackestone
Lithology description: thin-bedded lime mudstones to wackestone
Environment:offshore indet.
Geology comments: Benthic Assemblage 5
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:121302
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:P. Wagner Research group:marine invertebrate
Created:2011-12-02 01:50:55 Last modified:2018-04-26 11:43:51
Access level:the public Released:2011-12-02 01:50:55
Creative Commons license:CC BY
Reference information

Primary reference:

38714. J. K. Rigby and B. D. E. Chatterton. 1999. Silurian (Wenlock) demosponges from the Avalanche Lake area of the Mackenzie Mountains, southwestern District of Mackenzie, Northwest Territories, Canada. Palaeontographica Canadiana 16:1-43 [W. Kiessling/U. Merkel]