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Keywords from Image Description:
Fauna der Gaskohle und der Kalksteine der Permformation Bhmens Taf. . en Estheria triangularis Fig Estheria calcarea Fig Estheria paupera Fig Estheria concretionum Fig Bythocypris mytiloides Fig cite book Fauna der Gaskohle und der Kalksteine der Permformation Bhmens Antonn Fri Prague org Antonn Fri other versions PDold Fauna