Williams Island Fmn lower shale, Loc. 3, Mid-Bay Shoal (Devonian of Canada)

Where: Northwest Territories, Canada (57.7° N, 85.3° W: paleocoordinates 21.1° S, 25.6° W)

• coordinate stated in text

• local area-level geographic resolution

When: ensensis - middle varcus zone, lower shale Member (Williams Island Formation), Givetian (387.7 - 382.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; red, calcareous shale

• At this locality: "red calcareous shale" [elsewhere, lower member also includes sandstones and limestones]

Size classes: macrofossils, mesofossils

Collection methods: Specimen counts are given. Field number M-1 (GSC loc. C-13074).

Primary reference: A. W. Norris. 1993. Brachiopods from the lower shale member of the Williams Island Formation (Middle Devonian) of the Hudson Platform, northern Ontaria and southern District of Keewatin. Geological Survey of Canada Bulletin 460:1-113 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40044: authorized by Michael Foote, entered by Michael Foote on 16.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only brachiopds are covered.
Strophomenata
 Productida - Chonetidae
 Strophomenida - Leptostrophiidae
 Strophomenida - Strophodontidae
"Strophodonta cf. extenuata" = Strophomena (Strophodonta)
"Strophodonta cf. extenuata" = Strophomena (Strophodonta)
rockportnesis
Rhynchonellata
 Spiriferida - Mucrospiriferidae
 Atrypida - Atrypidae
 Orthida - Schizophoriidae
Schizophoria sp. King 1850