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Keywords from Image Description:
Systme silurien du centre de la Bohme Pl. . JBappande Sysl Silur de Bohme Vol II PI HumbiTl lith Imp Lemeniec rue dcSeme 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