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Keywords from Image Description:
Cordylophora caspia portion of female colony from Allman . en Cordylophora caspia Cordylophora lacustris Hydrozoa Anthoathecatae Filifera Oceaniidae portion of female colony very young gonophore gonophore more advanced containing ova which are embraced by the branches of ramified spadix and have their germinal vesicles distinct gonophore