| Helgicirrha | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Leptothecata |
| Family: | Eirenidae |
| Genus: | Helgicirrha Hartlaub, 1909 |
Helgicirrha is a genus of hydrozoans in the family Eirenidae.
The genus contains the following species: [1]
Cuninidae is a family of hydrozoans in the order Narcomedusae. They have dome-shaped bells and tentacles set above the undulating margin of the bell. Their gastric pouches contain the gonads situated in line with the tentacles, the number of pouches being the same as the number of tentacles. The pouches do not extend below the points of origin of the primary tentacles. Members of some genera have a peripheral canal system and others do not. No radial canals or secondary tentacles are present.
Solmarisidae is a family of hydrozoans in the order Narcomedusae. The name is sometimes spelled "Solmaridae".
Bougainvillia is a genus of hydroids in the family Bougainvilliidae in the class Hydrazoa. Members of the genus are characterised by having the marginal tentacles of their medusae arranged in four bundles. Some species are solitary and others are colonial but all are filter feeders. They are found in the Southern Ocean, having a circumpolar distribution, but some species also occur in the Northern Hemisphere, possibly travelling there as polyps on the hulls of ships.
Limnomedusae is an order of hydrozoans.
Corynidae is a family of hydrozoans in the order Anthomedusae.
Aequorea is a genus of pelagic hydrozoans in the family Aequoreidae.
Stauridiosarsia is a genus of hydrozoans in the family Corynidae.
Corymorpha is a genus of hydrozoans in the family Corymorphidae.
Ptilocodiidae is a family of hydrozoans in the order Anthoathecata.
Eirene is a genus of hydrozoans in the family Eirenidae.
Octophialucium is a genus of Hydrozoan in the family Malagazziidae. The genus contains bioluminescent species.
Leuckartiara is a genus of cnidarians belonging to the family Pandeidae.
Eucheilota is a genus of cnidarians belonging to the family Lovenellidae.
Amphinema is a genus of cnidarians belonging to the family Pandeidae.
Protiaridae is a family of cnidarians belonging to the order Anthoathecata.
Slabberia is a genus of hydrozoans belonging to the family Corynidae.
Zanclea is a genus of hydrozoans belonging to the family Zancleidae.
Eutima is a genus of hydrozoans in the family Eirenidae.
Irenium is a genus of hydrozoans in the family Eirenidae.
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