Loc. Ab-7, lower Long Rapids Fmn, Williams Island, N Ontario (Devonian of Canada)

Where: Ontario, Canada (50.4° N, 81.6° W: paleocoordinates 25.8° S, 26.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Long Rapids Formation, Frasnian (382.7 - 372.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; gray shale and gray, green limestone

• The sample is from a greyish green limestone bed, 0.1 m thick, overlain and underlain by dark gray shale.

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 40051: 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
 Prioniodontida - Icriodontidae
Icriodus symmetricus
Icriodus symmetricus Branson and Mehl 1934 conodont