GSC loc. 10248 - Laberge (Jurassic of Canada)

Where: Yukon, Canada (61.9° N, 135.8° W: paleocoordinates 33.4° N, 76.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Early/Lower Sinemurian (196.5 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

• E. J. Lees, 1930.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53873: authorized by Martin Aberhan, entered by Sabine Nürnberg on 15.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Neitheoidae
Weyla (Lywea) yukonensis n. sp. Aberhan 1998 scallop
 Heteroconchia -
Heterodonta indet. Neumayr 1884 clam
 Trigoniida - Trigoniidae
Trigoniidae indet. Lamarck 1819 clam
Cephalopoda
 Ammonitida - Arietitidae
? Arnioceras sp. Hyatt 1867 ammonite
Poulton 1994