GSC loc. C-90926 - Spatsizi River: Ibex, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Brachiopoda indet. Cuvier 1805
Aberhan 1993
Cephalopoda - Ammonitida - Polymorphitidae
? Uptonia sp. Buckman 1898
Cephalopoda - Ammonitida - Eoderoceratidae
Bivalvia - Pectinida - Entoliidae
Entolium (Entolium) corneolum (Young and Bird 1828)
Aberhan 1998
Bivalvia - Ostreida
Ostreoida indet. Fërussac 1822
Aberhan 1993
Bivalvia - Ostreida - Bakevelliidae
Gervillaria pallas (Leanza 1942)
Aberhan 1998 3 individuals
Bivalvia - Cardiida - Cardiidae
Protocardia sp. (Beyrich 1845)
Aberhan 1993
Bivalvia
Heterodonta indet. Neumayr 1884
Aberhan 1993
Bivalvia - Trigoniida - Myophorellidae
Vaugonia sp. Crickmay 1930
Aberhan 1993
see common names

Geography
Country:Canada State/province:British Columbia
Coordinates: 57.5° North, 128.9° West (view map)
Paleocoordinates:32.3° North, 61.1° West (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Jurassic Epoch: Early Jurassic
Stage: Pliensbachian 10 m.y. bin: Jurassic 2
Key time interval: Ibex Ammonoid zone:  Freboldi
Age range of interval: 192.9 - 184.2 m.y. ago
Stratigraphy
Geological group:Hazelton Formation:Spatsizi Member:Joan
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified siltstone
Environment:transition zone/lower shoreface
Geology comments: The Joan Fm. contains a diverse bivalve fauna that indicates a relatively shallow to moderately deep water environment of deposition, corresponding to composite assemblage depth zones B and C of Taylor (1982).
Taphonomy
Modes of preservation:mold/impression
Size of fossils:macrofossils
Preservation of anatomical detail:poor
Collection methods and comments
Collection methods:mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Database number:53186
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:M. Clapham Research group:marine invertebrate
Created:2005-09-07 01:47:16 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-09-07 01:47:16
Creative Commons license:CC0
Reference information

Primary reference:
15007. R. C. Thomson and P. L. Smith. 1992. Pliensbachian (Lower Jurassic) biostratigraphy and ammonite fauna of the Spatsizi area, north-central British Columbia. Geological Survey of Canada Bulletin 437:1-87 [M. Aberhan/S. Nurnberg/M. Clapham]

Secondary references:

14836 M. Aberhan. 1993. [M. Aberhan/S. Nurnberg]
14361 M. Aberhan. 1998. Early Jurassic Bivalvia of western Canada. Part I. Subclasses Palaeotaxodonta, Pteriomorpha, and Isofilibranchia. Beringeria 21:57-150 [M. Aberhan/S. Nurnberg/M. Uhen]