Netrostoma | |
---|---|
Netrostoma setouchiana | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Cnidaria |
Class: | Scyphozoa |
Order: | Rhizostomeae |
Family: | Cepheidae |
Genus: | Netrostoma Schultze, 1898 |
Species | |
4 species, see text | |
Synonyms | |
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Netrostoma is a genus of true jellyfish in the family Cepheidae. They are found in the Indo-Pacific. They are sometimes called crown jellyfish, but this can cause confusion with the closely related genus Cephea or the distantly related species in the order Coronatae.
According to the World Register of Marine Species , this genus includes the following species: [1]
Rhizostomae or Rhizostomeae is an order of jellyfish. Species of this order have neither tentacles nor other structures at the bell's edges. Instead, they have eight highly branched oral arms, along which there are suctorial minimouth orifices. These oral arms become fused as they approach the central part of the jellyfish. The mouth of the animal is also subdivided into minute pores that are linked to coelenteron.
Cassiopea is a genus of true jellyfish and the only members of the family Cassiopeidae. They are found in warmer coastal regions around the world, including shallow mangrove swamps, mudflats, canals, and turtle grass flats in Florida, and the Caribbean and Micronesia. The medusa usually lives upside-down on the bottom, which has earned them the common name. These jellyfish partake in a symbiotic relationship with photosynthetic dinoflagellates and therefore, must lie upside-down in areas with sufficient light penetration to fuel their energy source. Where found, there may be numerous individuals with varying shades of white, blue, green and brown.
Chironex is a genus of box jellyfish in the family Chirodropidae. Their stings are highly venomous, and have caused human fatalities. Based on present knowledge, the genus is restricted to the central Indo-Pacific, ranging from southern Japan to northern Australia.
A salp or salpa is a barrel-shaped, planktonic tunicate in the family Salpidae. It moves by contracting, thereby pumping water through its gelatinous body, one of the most efficient examples of jet propulsion in the animal kingdom. The salp strains the pumped water through its internal feeding filters, feeding on phytoplankton.
The Pelagiidae are a family of jellyfish. Members of the family Pelagiidae have no ring canal, and the marginal tentacles arise from umbrella margin.
Crown jellyfishes are the six families of true jellyfish that belong to the order Coronatae. They are distinguished from other jellyfish by the presence of a deep groove running around the umbrella, giving them the crown shape from which they take their name. Many of the species in the order inhabit deep sea environments.
Rhopilema is a genus of jellyfish.
Stomolophus is a genus of true jellyfish from the West Atlantic and Pacific. It is the only genus in the monotypic family Stomolophidae. Formerly, Nomura's jellyfish was also included in this genus, but has now been reclassified to the family Rhizostomatidae.
Mastigias is a genus of true jellyfish in the family Mastigiidae. It contains seven described species. Members of this genus are found widely in coastal regions of the Indo-Pacific, including saline lakes of Palau, but there are also records from the West Atlantic at Florida and Puerto Rico. The West Atlantic records are most likely the result of accidental introductions by humans.
Aurelia is a genus of scyphozoan jellyfish, commonly called moon jellies. There are currently 25 accepted species and many that are still not formally described.
Turritopsis is a genus of hydrozoans in the family Oceaniidae.
Csiromedusa medeopolis is a species of hydrozoan described in 2010. It was discovered in the estuarine waters of the River Derwent near to the Commonwealth Scientific and Industrial Research Organisation's Marine and Atmospheric Research branch in Hobart, Tasmania, Australia. C. medeopolis has been described as presenting a new family and genus as well as species.
Haliclystus auricula is a stalked jellyfish found in the Northern hemisphere. It is the type species for its genus.
Lucernariidae is a family of stalked jellyfish containing two genera.
Cephea is a genus of true jellyfish in the family Cepheidae. They are found in the Indo-Pacific and eastern Atlantic oceans. They are sometimes called the crown jellyfish, but this can cause confusion with the closely related genus Netrostoma or the distantly related species in the order Coronatae. They are also sometimes called the cauliflower jellyfish because of the cauliflower-looking form on top of its bell.
Porpita is genus of hydrozoans in the family Porpitidae. It has two species recognized and is the type genus of its family.
Lipkea is a genus of stalked jellyfish. It is the only genus in the monotypic family Lipkeidae. Lipkea species lack tentacles at the end of their bell.
The root-mouthed jellyfish is a species of cnidarian, a jellyfish in the small family Rhizostomatidae. It is the only member of the genus Eupilema.
Chirodectes is a very rare, monospecific genus of box jellyfish in the family Chirodropidae.
Thysanostomatidae is a family of true jellyfish from the Indo-Pacific. The first sighting of Thysanostoma loriferum in Hong Kong; extending its known range from the Philippines, the Malay Archipelago, and Hawaii; was from the Hong Kong Jellyfish Citizen Science project and sightings on iNaturalist.