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Zanclea implexa portion of colony from Allman . en Zanclea implexa Gemellaria implexa Hydrozoa Capitata Zancleidae portion of colony Allman The Monograph of the Gymnoblastic or Tubularian Hydroids Conclusion of Part and Part II London Robert Hardwicke biodiversitylibrary org page Plate VII Creator George James Allman The Monograph