Rhizostomata

== Translingual == === Etymology === Pluralized form of Rhizostoma. === Proper noun === Rhizostomata (obsolete) A taxonomic suborder within the order Discophora – a polyphyletic taxon comprising certain discomedusan jellyfish. ==== Hyponyms ==== (suborder): Cassiopeidae, Cepheidae, Rhizostomatidae, Lychnorhizidae, Leptobrachiidae, Catostylidae — families