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Keywords from Image Description:
I. Rapparition du genre Arethusina Barr. Une planche BHL. Rapparition du genre Arethusina Barr Une planche II Faune silurienne des environs de Hof en Bavire Une planche par Joachim Barrande Illustration Foldout biodiversitylibrary org title Barrande Joachim Biodiversity Heritage Library PDold Rapparition du genre Arethusina