AN49: Aeronian - Telychian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Proetida - Tropidocoryphidae
Decoroproetus sp. Pribyl 1946
1 individual
Trilobita - Phacopida - Calymenidae
Diacalymene schucherti (Twenhofel 1928)
2 individuals
56 individuals
Trilobita - Phacopida - Phacopidae
Acernaspis orestes (Billings 1860)
12 individuals
Trilobita - Phacopida - Encrinuridae
Encrinurus aff. deomenos Tripp 1962
39 individuals
Trilobita - Phacopida - Cheiruridae
Hadromeros nuperus
3 individuals
Trilobita - Lichida - Lichidae
informal Lichidae indet. Hawle and Corda 1847
3 individuals
Trilobita - Odontopleurida - Odontopleuridae
1 individual
see common names

Geography
Country:Canada State/province:Quebec County:Anticosti Island
Coordinates: 49.2° North, 62.2° West (view map)
Paleocoordinates:22.5° South, 33.5° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
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:Cybele or Richardson
Lithology and environment
Primary lithology:gray lithified lime mudstone
Secondary lithology: lithified mudstone
Lithology description: Cybele: gray lithographic limestone; Richardson: calcareous shales and mudstones. Authors do not specify lithology that fossil sampled from
Environment:open shallow subtidal
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Database number:186070
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:M. Hopkins Research group:marine invertebrate
Created:2017-06-09 09:39:47 Last modified:2017-08-12 09:05:05
Access level:the public Released:2017-06-09 09:39:47
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]