Ptychophorae is a suborder of rhizostome jellyfish, identified in 2013 by Gershwin and Davie.

The word Ptychophorae is said to be derived from the Greek ptychos (fold, leaf, layer) and phoras (bearing), in reference to the hooded rhopalia. The proper word for 'fold' in ancient Greek is however ptyx (πτύξ).

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