Topic summary
Rhopalium

Rhopalia (sing.rhopalium; from Ancient Greek (rhópalon)'club, mace') are small sensoryorgans of certain Scyphozoan (true jellyfish) and Cubozoan (box jellyfish) species.
Topic summary

Rhopalia (sing.rhopalium; from Ancient Greek (rhópalon)'club, mace') are small sensoryorgans of certain Scyphozoan (true jellyfish) and Cubozoan (box jellyfish) species.