GSC loc. 13619: Early/Lower Callovian - Middle Callovian, Canada
collected by F. H. McLearn 1921

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Rhynchonellidae
"Rhynchonella" obesula n. sp. Whiteaves 1876
Crickmay 1933
Bivalvia - Trigoniida - Myophorellidae
Myophorella packardi (Crickmay 1930)
Myophorella devexa Eichwald 1871
see common names

Geography
Country:Canada State/province:British Columbia County:Haida Gwaii (Queen Charlotte Islands)
Coordinates: 53.2° North, 132.0° West (view map)
Paleocoordinates:25.3° North, 78.3° West
Basis of coordinate:based on nearby landmark
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Callovian 10 m.y. bin:Jurassic 5
Key time interval:Early/Lower Callovian - Middle Callovian
Age range of interval:165.30000 - 161.50000 m.y. ago
Stratigraphy
Formation:Yakoun
Stratigraphy comments: Lower or Middle Callovian
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:F. H. McLearn Collection dates:1921
Metadata
Database number:127123
Authorizer:G. Stanley, M. Clapham Enterer:H. Shepherd, M. Manojlovic
Modifier:H. Shepherd
Created:2012-04-26 13:03:27 Last modified:2012-04-25 22:09:38
Access level:the public Released:2012-04-26 13:03:27
Creative Commons license:CC BY
Reference information

Primary reference:
40842. T. P. Poulton. 1979. Jurassic Trigoniid Bivalves from Canada and Western United States of America. Geological Survey of Canada Bulletin 282 [G. Stanley/H. Shepherd/H. Shepherd]

Secondary references:

53761 C. H. Crickmay. 1933. Attempt to Zone the North American Jurassic on the Basis of its Brachiopods. Geological Society America Bulletin 44:871-894 [M. Clapham/M. Manojlovic]