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1by OWEN, ALAN W. BRUTON, DAVID L.Table of Contents: “... / Gerd Geyer -- The nileid trilobite Symphysurus from upper Tremadocian strata of the Moroccan Anti-Atlas...”
Published 2019
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2Published 2012Table of Contents: “... in the earliest Ordovician (early Tremadocian): the Stonehenge transgression / James R. Derby, Robert J. Raine...”
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