Joachim Barrande
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Joachim Barrande was a French geologist and palaeontologist. He was particularly known for his work on trilobites, published in the Systéme Silurien de la Bohéme which he published in 22 parts. Traine
Portrait of Barrande crerated in 1884
Plate from Système silurien du centre de la Bohême
Silurian
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The Silurian is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at 443.1 Ma to the beginning of the Devonian Period, 419.62 Ma. The Silurian is the thir
Joachim Barrande
…No. 419, Chotekgasse. He also had a house in Paris. Apart from French, he mastered English, German and Czech. The publication in 1839 of Murchison's Silurian System incited Barrande to carry on systematic researches on the equivalent strata in Bohemia. For ten years (1840–1850) he made a detailed study of…
Ordovician-Silurian boundary on Hovedøya, Norway: the brownish late Ordovician mudstone and later dark deep-water Silurian shale layers have been overturned by the Caledonian orogeny.
Fossils of the late Silurian sea bed, England
Diorama of a Silurian seafloor
Cooksonia, the earliest vascular plant, middle Silurian