Loc. Ab-3, 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. 0.3m thick bed about 1.0-1.3 m above base of section.

• 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 40046: 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
 Conodontophorida -
Ancyrodella rotundituba, Ancyrodella alata
 Ozarkodinida - Palmatolepidae
Mesotaxis ex gr. asymmetrica
 Ozarkodinida - Polygnathidae
Polygnathus dubius, Polygnathus pennatus