Research-paper
Ecostratigraphy of Silurian trilobite assemblages of the Barrandian area, Czechoslovakia
Chlupác, Ivo
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Abstract
The 18 trilobite assemblages distinguished in the Silurian of central Bohemia sensitively reflect different palaeoenvironments influenced particularly by the submarine volcanic activity. Richly diversified shallow water assemblages occurring in carbonates at or in proximity of volcanic elevations grade seawards into less diversified deeper water assemblages found in different shale deposits. The trilobite faunas range in Benthic Assemblages 2 to 6 in BOUCOT's (1975) classification and show in composition and grouping many analogies with those of Devonian or other times.