The Early Ordovician trilobite genus Politicurus Adrain et al., 2003, was introduced in a monograph detailing the diverse Laurentian trilobite faunas of the Garden City Formation of northeastern Utah and southeastern Idaho. Later work by Hintze (1953) in eastern Nevada and weste…
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The Black River and Trenton Limestone Groups of southern Ontario are a relatively thin (average 150 metres) carbonate succession in the Lake Simcoe area, resting unconformably on Precambrian basement. Local Precambrian ‘highs’ complicate the overall facies pattern and lithofacie…
The Suwannee Terrane (ST) in southeastern North America formed part of the continental shelf of the Iapetus Ocean/Gondwanan passive margin, along what is present-day northwest Africa, during the Early Paleozoic. The Paleozoic sedimentary succession of the ST, called the North Fl…
The rugose corals of the Late Ordovician (Richmondian-Gamachian) to earliest Silurian (Rhuddanian) Vauréal, Ellis Bay and Becscie formations of Anticosti Island, Québec, include 19 species belonging to 14 genera and five families, with three additional species placed in open nom…