Locality 1, unit 5: Wenlock - Ludlow, Canada
collected by R. Thorsteinsson 1950-

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Hormotoma sp.
Anthozoa - Favositida - Pachyporidae
Striatopora cf. flexuosa Hall 1852
Rhynchonellata - Spiriferida - Delthyrididae
Howellella informal sp. A Kozlowski 1946
Rhynchonellata - Pentamerida - Subrianidae
Conchidium laqueatum
Cephalopoda - Actinocerida - Armenoceratidae
Armenoceras ommanneyi
Ostracoda - Leperditicopida - Leperditiidae
Leperditia informal sp. A Rouault 1851
Leperditia sp. Rouault 1851
see common names

Geography
Country:Canada State/province:Northwest Territories County:Cornwallis Island
Coordinates: 74.7° North, 94.8° West (view map)
Paleocoordinates:3.1° North, 33.5° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Silurian
10 m.y. bin:Silurian 2
Key time interval:Wenlock - Ludlow
Age range of interval:433.40000 - 423.00000 m.y. ago
Stratigraphy
Formation:Read Bay Member:A
Stratigraphic resolution:group of beds
Stratigraphy comments: unit is 9.5 feet thick
Lithology and environment
Primary lithology:quartzose,gray lithified "limestone"
Includes fossils?Y
Lithology description: Quartzose limestone; very light grey, weathering to pale orange-yellow, thin-bedded, hard, dense, fine-grained
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:GSC
Collectors:R. Thorsteinsson Collection dates:1950-53
Metadata
Database number:188861
Authorizer:M. Hopkins Enterer:M. Hopkins
Research group:marine invertebrate
Created:2017-09-19 14:51:48 Last modified:2017-09-19 14:51:48
Access level:the public Released:2017-09-19 14:51:48
Creative Commons license:CC BY
Reference information

Primary reference:
63386. R. Thorsteinsson. 1958. Cornwallis and Little Cornwallis Islands, District of Franklin, Northwest Territories. Geological Survey of Canada Memoirs 294:1-134 [M. Hopkins/M. Hopkins/M. Hopkins]