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Keywords from Image Description:
Haeckel Siphonophorae. top center Porpema medusa Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Haeckel Porpita sp young colony sexual polyp Kunstformen der Natur plate Siphonophorae see mpizkoeln mpg de