Loc. Ab-"11", 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"

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 40045: authorized by Michael Foote, entered by Michael Foote on 16.06.2004, edited by Pete Wagner

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
unclassified
  -
Echinodermata indet.
Conodonta
 Ozarkodinida - Palmatolepidae
Palmatolepis sp.
Palmatolepis sp. Müller 1956 conodont
 Ozarkodinida - Polygnathidae
"Polygnathus dubius" = Polygnathus dubia
"Polygnathus dubius" = Polygnathus dubia Hinde 1879 conodont
 Prioniodontida - Icriodontidae
Icriodus symmetricus
Icriodus symmetricus Branson and Mehl 1934 conodont
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Rhynchonellata
 Rhynchonellida - Yunnanellidae
Ladogioides pusilla n. sp.
 Rhynchonellida - Leiorhynchidae
Leiorhynchus quadracostatus
 Spiriferida - Mucrospiriferidae
Mucrospirifer williamsi n. sp.
 Spiriferida - Ambocoeliidae
? Ladjia plicata n. sp., Emanuella martisoni n. sp.
 Atrypida - Atrypidae
Desquamatia (Independatrypa) exila n. sp., Desquamatia (Independatrypa) "sp. A", Desquamatia (Independatrypa) "sp. B", Spinatrypa (Spinatrypa) "sp. A", Spinatrypa (Spinatrypa) tribulosa n. sp., Atryparia rubra
 Spiriferinida - Cyrtinidae
Cyrtina aff. triquetra, Tecnocyrtina bicostata n. sp.
 Orthida - Schizophoriidae
Schizophoria cf. athabaskensis
Strophomenata
 Strophomenida - Leptostrophiidae
Nervostrophia ralla n. sp.
 Strophomenida - Strophodontidae
Strophodonta (Strophodonta) abitibiensis n. sp.
 Productida - Araksalosiidae
Eostrophalosia parksi n. sp.
Trilobita
 Phacopida - Phacopidae
Phacops sp.
Phacops sp. Emmrich 1839 trilobite
Anthozoa
 Stauriida - Kyphophyllidae
Tabulophyllum sp.
Tabulophyllum sp. Fenton and Fenton 1924 horn coral