AN7 300: Rhuddanian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Proetida - Proetidae
2 specimens
Trilobita - Odontopleurida - Odontopleuridae
2 specimens
Kettneraspis aff. jaanussoni
1 specimen
Anacaenaspis sp. Bruton 1967
2 specimens
Trilobita - Phacopida - Calymenidae
6 specimens
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 49.8° North, 64.4° West (view map)
Paleocoordinates:21.2° South, 36.9° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Silurian Epoch:Llandovery
Stage:Rhuddanian 10 m.y. bin:Silurian 1
Key time interval:Rhuddanian
Age range of interval:443.80000 - 440.80000 m.y. ago
Stratigraphy
Formation:Becscie
Local section:AN7 Local bed:300 cm
Local order:bottom to top
Stratigraphy comments: 300 cm above base of Platform Bed at top of underlying Ellis Bay Formation
Lithology and environment
Primary lithology:gray lithified "limestone"
Includes fossils?Y
Lithology description: hard, slabby, evenly bedded, and tan to grey limestones...locally very fossiliferous but other parts appear entirely to lack fossils
Environment:open shallow subtidal
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Database number:184388
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:M. Hopkins Research group:marine invertebrate
Created:2017-02-23 13:34:34 Last modified:2017-03-15 11:53:49
Access level:the public Released:2017-02-23 13:34:34
Creative Commons license:CC BY
Reference information

Primary reference:
61764. B. D. E. Chatterton and R. Ludvigsen. 2004. Early Silurian trilobites of Anticosti Island, Québec, Canada. Palaeontographica Canadiana 22 [M. Hopkins/M. Hopkins]