GSC loc. C-159874 - Louise Island: Middle Toarcian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Phymatoceratidae
Phymatoceras sp.
Phymatoceras crassicosta Merla 1932
recombined as Denckmannia crassicosta
Cephalopoda - Nautilida - Cenoceratidae
Cenoceras sp. Hyatt 1884
Bivalvia - Trigoniida
Trigonioida indet. Dall 1889
corrected as Trigoniida
see common names

Geography
Country:Canada State/province:British Columbia
Coordinates: 53.0° North, 131.6° West (view map)
Paleocoordinates:4.1° North, 125.8° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Stage:Toarcian 10 m.y. bin:Jurassic 3
Key time interval:Middle Toarcian
Age range of interval:182.90000 - 180.40000 m.y. ago
Stratigraphy
Geological group:Maude Formation:Whiteaves
Stratigraphic resolution:group of beds
Stratigraphy comments: Crassicosta Zone
Lithology and environment
Primary lithology:concretionary lithified calcareous siltstone
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Database number:57816
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2006-01-05 00:44:25 Last modified:2006-04-05 05:53:48
Access level:the public Released:2006-01-05 00:44:25
Creative Commons license:CC BY
Reference information

Primary reference:
15025. G. K. Jakobs. 1997. Toarcian (Early Jurassic) ammonoids from western North America. Geological Survey of Canada, Bulletin 428:137pp. [M. Aberhan/S. Nurnberg/S. Nurnberg]