AN8b: Aeronian - Telychian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Phacopida - Phacopidae
Acernaspis orestes (Billings 1860)
4 specimens
Trilobita - Phacopida - Dalmanitidae
Bessazoon sp. Curtis and Lane 1998
1 specimen
Trilobita - Phacopida - Cheiruridae
Hadromeros nuperus
3 specimens
Trilobita - Phacopida - Encrinuridae
Nucleurus anticontiensis
1 specimen
Encrinurus deomenos Tripp 1962
4 specimens
Trilobita - Phacopida - Calymenidae
Diacalymene schucherti (Twenhofel 1928)
16 specimens
Trilobita - Corynexochida - Illaenidae
Stenopareia grandis (Billings 1859)
5 specimens
Trilobita - Odontopleurida - Odontopleuridae
1 specimen
Trilobita - Proetida - Tropidocoryphidae
Decoroproetus sp. Pribyl 1946
1 specimen
Trilobita - Lichida - Lichidae
Arctinurus anticostiensis (Northrop 1939)
4 specimens
synonym of Anadesma shallopensis
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 49.5° North, 63.1° West (view map)
Paleocoordinates:22.2° South, 34.1° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Silurian Epoch:Llandovery
10 m.y. bin:Silurian 1
Key time interval:Aeronian - Telychian
Age range of interval:440.80000 - 433.40000 m.y. ago
Stratigraphy
Formation:Jupiter Member:Richardson and Cybèle
Lithology and environment
Primary lithology:very fine,gray lithified "limestone"
Secondary lithology: lithified calcareous mudstone
Includes fossils?Y
Includes fossils?Y
Lithology description: broad belt of shale-dominated strata that extends across Anticosti Island parallel with the south coast
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:184409
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:M. Hopkins Research group:marine invertebrate
Created:2017-02-23 15:07:39 Last modified:2017-10-04 14:18:35
Access level:the public Released:2017-02-23 15:07:39
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]