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Keywords from Image Description:
Systme silurien du centre de la Bohme Pl. . Barrande SystSilur de Bohme Vol II PI ili'inr hcckiT Nal iVr ibfi Wii'M ith iiVi il Nul II Sl intsilriiiki'ri'i Pl Illustration biodiversitylibrary org title Barrande Joachim Perner Jaroslav Pota Felip Waagen Wilhelm Heinrich Biodiversity Heritage Library National Fossil