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 Nürnberg on 06.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

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unpublished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unpublished