Williams Island Fmn lower shale, Loc. 1, NE bank of Albany River, 21NBA (Devonian of Canada)

Also known as GSC locality 78498

Where: Ontario, Canada (51.6° N, 85.4° W: paleocoordinates 26.8° S, 28.0° W)

• coordinate stated in text

• local area-level geographic resolution

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

• member-level stratigraphic resolution

Environment/lithology: marine; calcareous shale

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

Size classes: macrofossils, mesofossils

Reposited in the GSC

• Specimen counts are given. Locality is a composite of field collections 21NBa, 21NBf, and 409NEaF (i.e. GSC localities 78498, 78501, and 78433).

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: paleoecologic analysis

PaleoDB collection 40041: authorized by Michael Foote, entered by Michael Foote on 16.06.2004, edited by Jay Zambito

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only brachiopds are covered.
Show authors, comments, and common names
Strophomenata
 Strophomenida - Chonetidae
Devonochonetes cf. scitulus
Rhynchonellata
 Spiriferida - Mucrospiriferidae
Mucrospirifer albanensis n. sp., Tylothyris cf. subattenuata
Mucrospirifer albanensis n. sp.
n. subsp. alpenensis, peltatus, angulatus, rotundus, acuminatus
 Spiriferida - Spinocyrtiidae
Spinocyrtia cf. mourantae
 Atrypida - Atrypidae
Desquamatia (Desquamatia) "sp. A", Desquamatia (Desquamatia) "sp. B", Desquamatia (Independatrypa) sanfordi
 Spiriferinida - Cyrtinidae
Cyrtina "sp. A", Cyrtina cf. umbonata, Cyrtina cf. hamiltonensis
Cyrtina "sp. A" Davidson 1858