GSC 41452, Bug Creek Grp, Murray Ridge, Northwest Territories (Jurassic to of Canada)

Where: Northwest Territories, Canada (68.0° N, 136.4° W: paleocoordinates 56.1° N, 57.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Bug Creek Group, Hettangian to Hettangian (201.3 - 170.3 Ma)

Environment/lithology: marine; sandstone and siltstone

• Table 1 provides lithologic descriptions for formations within the study area. The Bug Creek Group formations are predominantly sandstone and siltstone and shale.

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (float),

• Collection appears to be from talus

Primary reference: T.P. Poulton. 1991. Hettangian through Aalenian (Jurassic) guide fossils and biostratigraphy, Northern Yukon and adjacent Northwest Territories. Geological Survey of Canada Bulletin (410)1-95 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 34184: authorized by Arnold Miller, entered by Karen Layou on 21.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Entoliidae
Entolium sp. Meek 1865 scallop
 Pectinida - Pectinoidae
? Chlamys sp. Röding 1798 scallop
 Pectinida - Oxytomidae
? Oxytoma sp. Meek 1864 scallop
 Pholadida - Corbulidae
? Corbula sp. Bruguière 1789 clam
 Cardiida - Corbiculidae
? Corbicula sp. Megerle 1811 clam
 Pholadomyida - Pholadomyidae
? Homomya sp. Agassiz 1843 clam
Gastropoda
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria sp. Defrance 1826 snail
Crinoidea
 Cladida - Pentacrinitidae