Noun
A stage in the development of discophorous medusae, when they first begin to swim about after being detached from the strobila. See Strobila.
Source: Webster's dictionaryA few omit the planula, polyp and ephyra phases and produce new medusae directly from eggs. Source: Internet
The next stage is the ephyra, which is a free-swimming precursor of the final adult stage. Source: Internet
The ephyra then develops into a medusa. Source: Internet