Rhizostomatidae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

cnidarian Cnidaria ( ) is a phylum under kingdom Animalia containing over 11,000 species of aquatic invertebrates found both in fresh water, freshwater and marine environments (predominantly the latter), including jellyfish, hydroid (zoology), hydroids, ...

s in the class

Scyphozoa The Scyphozoa are an exclusively marine class of the phylum Cnidaria, referred to as the true jellyfish (or "true jellies"). The class name Scyphozoa comes from the Greek word '' skyphos'' (), denoting a kind of drinking cup and alluding to the ...

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 *

Genus '' Rhizostoma'' Cuvier, 1800 **'' Rhizostoma luteum'' (Quoy & Gaimard, 1827) **'' Rhizostoma octopus'' (Linnaeus, 1758) **''

Rhizostoma pulmo ''Rhizostoma pulmo'', commonly known as the barrel jellyfish, the dustbin-lid jellyfish or the frilly-mouthed jellyfish, is a Scyphozoa, scyphomedusa in the family Rhizostomatidae. It is found in the northeast Atlantic Ocean, Atlantic, and in the ...

'' (Macri, 1778) *Genus ''

Rhopilema ''Rhopilema'' is a genus of jellyfish. Species include: * ''Rhopilema asamushi'' * ''Rhopilema esculentum'' ("Bizen kurage") Kishinouye 1891 * ''Rhopilema hispidum'' ("Hizen kurage") Vanhoffen 1888 * ''Rhopilema nomadica'', (Indo-Pacific nomadic ...

'' Haeckel, 1880 **''

Rhopilema esculentum ''Rhopilema esculentum'', the flame jellyfish, is a species of jellyfish native to the warm temperate waters of the Pacific Ocean. It is a popular seafood in southeastern Asia. In the 1980s, research was undertaken in China into its aquaculture, ...

'' Kishinouye, 1891 **'' Rhopilema hispidum'' **''

Rhopilema nomadica ''Rhopilema nomadica'', the nomad jellyfish, is a jellyfish indigenous to tropical warm waters of the Indian and Pacific Oceans. Since 1970's it has been also found in Mediterranean Sea, where it entered via the Suez Canal ( Lessepsian migration) ...

'' **'' Rhopilema rhopalophora'' (Haeckel) **'' Rhopilema rhopalophorum'' Haeckel, 1880 **''

Rhopilema verrilli ''Rhopilema verrilli'', the mushroom cap jellyfish, is a species of jellyfish in the family Rhizostomatidae. They are cnidarian invertebrates distinguished by their mushroom-shaped medusae. The species does not have any tentacles; however, they ...

Extinct taxa

* Genus †'' Essexella'' * Genus †'' Simplicibrachia'', is known from fossils in the

Ypresian In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by th ...

-aged

Monte Bolca Monte Bolca is an Ypresian, Early Eocene-aged geologic site located near Verona, Italy, Verona, Italy. A ''Konservat-Lagerstätte'', it contains an extremely well-preserved and diverse marine biota, including the most diverse fish fauna of any Ce ...

lagerstatten.

References

Daktyliophorae Cnidarian families {{Scyphozoa-stub