Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of trachymedusae is as below...

Trachymedusae :: Trachymedusae (n. pl.) A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusae..

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