GSC loc. C-103305 - Spatsizi River (Jurassic of Canada)

Where: British Columbia, Canada (57.5° N, 128.9° W: paleocoordinates 33.0° N, 71.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Joan Member (Spatsizi Formation), Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified siltstone

• 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).

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53189: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Ostreida - Bakevelliidae
Gervillaria pallas3
Gervillaria pallas3 Leanza 1942 oyster
 Pectinida - Neitheoidae
Weyla sp.2
Weyla sp.2 Böhm 1920 scallop
 Trigoniida - Myophoriidae
"Myophoria" sp.1
"Myophoria" sp.1 Bronn 1834 clam
Cephalopoda
 Ammonitida - Eoderoceratidae
Metaderoceras talkeetnaense
Metaderoceras talkeetnaense Thomson and Smith 1992 ammonite
 Ammonitida - Polymorphitidae
? Acanthopleuroceras sp.3
? Acanthopleuroceras sp.3 Hyatt 1900 ammonite
unpublished
Gastropoda
  -
Gastropoda indet.3
Gastropoda indet.3 Cuvier 1795 snail
unpublished
1Aberhan 1993; 2Aberhan 1995; 3Aberhan 1998