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Keywords from Image Description:
Hexactinellida. Hexactinellida Euplectella aspergillum Monorhaphis chuni Lefroyella decora Aphrocallistes vastus Aphrocallistes beatrix org Brockhaus' KonversationsLexikon Franz Eilhard Schulze Leipzig Berlin Wien Brockhaus pdold Brockhaus Hexactinellida Monorhaphis chuni Euplectella aspergillum Lefroyella decora Aphrocallistes