GSC loc. C-81739 - Graham Island: Middle Toarcian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Nautilida - Cenoceratidae
Cenoceras cf. intermedius (Sowerby 1816)
recombined as Cenoceras intermedium
Cephalopoda - Ammonitida - Phymatoceratidae
Phymatoceras sp.
Cephalopoda - Ammonitida - Dactylioceratidae
Peronoceras cf. moerickei
Peronoceras sp.
see common names

Geography
Country:Canada State/province:British Columbia
Coordinates: 53.4° North, 132.3° West (view map)
Paleocoordinates:4.2° North, 126.4° 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:182.00000 - 175.60000 m.y. ago
Stratigraphy
Geological group:Maude Formation:Whiteaves
Stratigraphic resolution:group of beds
Stratigraphy comments: Crassicosta Zone
Lithology and environment
Primary lithology: lithified siltstone
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Database number:55776
Authorizer:M. Aberhan Enterer:S. Nurnberg
Research group:marine invertebrate
Created:2005-11-05 06:24:24 Last modified:2005-11-05 08:24:24
Access level:the public Released:2005-11-05 06:24:23
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]