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Keywords from Image Description:
Systme silurien du centre de la Bohme Pl. . Btirrande st lJilui Jeliotienit' ol II PL Hn'nr Tifcker ii iiA'atpc ii litlt U'ini itli u'iiii ni lldl'u St sitnirkfm Pl Illustration biodiversitylibrary org title Barrande Joachim Perner Jaroslav Pota Felip Waagen Wilhelm Heinrich Biodiversity Heritage Library National