Rhizostomatidae
# Rhizostomatidae

Rhizostomatidae is a family of cnidarians in the class Scyphozoa.

## Genera and species

According to the World Register of Marine Species, 11 extant species are in four extant genera within this family:

* Genus Eupilema
   * Eupilema inexpectata Pages, Gili & Bouillon, 1992
* Genus Nemopilema
   * Nemopilema nomurai Kishinouye, 1922
* Rhizostoma octopusGenus Rhizostoma Cuvier, 1800
   * Rhizostoma luteum (Quoy & Gaimard, 1827)
   * Rhizostoma octopus (Linnaeus, 1758)
   * Rhizostoma pulmo (Macri, 1778)
* Genus Rhopilema Haeckel, 1880
   * Rhopilema esculentum Kishinouye, 1891
   * Rhopilema hispidum
   * Rhopilema nomadica
   * Rhopilema rhopalophora (Haeckel)
   * Rhopilema rhopalophorum Haeckel, 1880
   * Rhopilema verrilli

### Extinct taxa

* Genus †Essexella
* Genus †Simplicibrachia, is known from fossils in the Ypresian-aged Monte Bolca lagerstatten.
