(from the article `Triassic Period`) ...rests unconformably on Upper Permian strata of the Zechstein basin. The marine equivalent of the Bunter in the Alps is the Werfen Limestone; there ...
Found on http://www.britannica.com/eb/a-z/c/91
Claraia is an extinct genus of scallop-like bivalve mollusks that lived from the Capitanian stage of the Late Permian to the Anisian stage of the Middle Triassic, 266-237 million years ago. Fossils have been found worldwide in North America, Europe, Asia, Africa, and Australia. These are common fossils subsequent to the Permian-Triassic boundary,
Found on http://en.wikipedia.org/wiki/Claraia
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