GSC loc. 91774 - Carmacks (Jurassic of Canada)

Where: Yukon, Canada (62.2° N, 136.3° W: paleocoordinates 36.8° N, 76.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Laberge Group, Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

• D. Templeman-Kluit, 1974.

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 53107: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 06.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonoidea -
Ammonoidea indet. ammonite
 Ammonitida - Hildoceratidae
Leptaleoceras cf. pseudoradians Reynes 1868 ammonite
Frebold 1974
Arieticeras sp. Seguenza 1885 ammonite
Frebold 1974
Protogrammoceras sp. Spath 1913 ammonite
Tipper 1995
 Ammonitida - Dactylioceratidae
Dactylioceratidae indet. Hyatt 1867 ammonite
 Ostreida - Posidoniidae
Bositra buchi Roemer 1836 oyster
shell pavement
 Nuculanida - Malletiidae
Palaeoneilo sp. Hall and Whitfield 1869 clam
sp. A