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Keywords from Image Description:
Systme silurien du centre de la Bohme Pl. . Barrande Sysl Silur de Bohme VoUr PI HumberL I'iLK Imp emercier rue de Seine Paris Pl Illustration biodiversitylibrary org title Barrande Joachim Perner Jaroslav Pota Felip Waagen Wilhelm Heinrich Biodiversity Heritage Library National Fossil Day Systme silurien du centre