Loc. Ab-4, uppermost Williams Island Fmn, Williams Island, N Ontario (Devonian to of Canada)

Where: Ontario, Canada (50.4° N, 81.6° W: paleocoordinates 27.0° S, 26.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Williams Island Formation, Givetian to Givetian (387.7 - 372.2 Ma)

• Uppermost Williams Island formation consists of 1.3 meters. Age is latest Givetian to earliest Frasnian.

• bed-level stratigraphic resolution

Environment/lithology: marine; green, calcareous claystone

• "1.3 m exposed, of pale green, clay-mudstone containing three thin, concretionary carbonate beds, and with numerous brachiopods at the base" This sample is from one of the concretionary layers.

Primary reference: A. W. Norris, T. T. Uyeno, P. Sartenaer and P. G. Telford. 1992. Brachiopod and conodont faunas from the uppermost Williams Island Formation and lower Long Rapids Formation (Middle and Upper Devonian), Moose River Basin, northern Ontario. Geological Survey of Canada Bulletin 434:1-133 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40048: authorized by Michael Foote, entered by Michael Foote on 16.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Monograph covers brachiopods and conodonts. Some other elements mentioned as well.
Show authors, comments, and common names
Conodonta
 Ozarkodinida - Polygnathidae
Polygnathus dengleri, Polygnathus pennatus, "Polygnathus dubius" = Polygnathus dubia
"Polygnathus dubius" = Polygnathus dubia Hinde 1879 conodont