| Virgularia | |
|---|---|
 | |
| feathery sea pen | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Octocorallia |
| Order: | Pennatulacea |
| Family: | Virgulariidae |
| Genus: | Virgularia Lamarck 1816 [1] |
Virgularia is a genus of sea pen in the family Virgulariidae.
Nausithoidae is a family of jellyfish.
Xenia is a genus of photosynthetic soft marine coral in the family Xeniidae. They resemble a mushroom, with "arms" coming out from the top that end in many-fingered "hands". It is unique among corals because of its ability to use its "hands" to "pulse" or push water away from the colony in a constant, grabbing motion. Common names include fast-pulse Xenia. Species of Xenia are sometimes referred to as pulse corals.
Acanella is a genus of deep-sea bamboo coral of the family Isididae, containing the following species: Acanella are mainly studied and found in Hawaii, they are able to survive in high-flow sites and are preyed upon by nudibranch mollusks. It has a high fecundity and small size that allows high dispersal and recruitment; however, it has been classified as a vulnerable marine organism due to its vulnerability to bottom fishing gear.
Scleraxonia is a suborder of corals, a member of the phylum Cnidaria.
Anthothelidae is a family of corals, a member of the phylum Cnidaria.
Melithaea is a genus of octocorals in the family Melithaeidae. Members of the genus are commonly known as fan corals and are found in the tropical Indo-Pacific region. The type species is Melithaea ochracea.
Alcyonium is a genus of soft corals in the family Alcyoniidae.
Plexauridae is a family of marine colonial octocorals in the phylum Cnidaria. Members of this family are found in shallow tropical and subtropical seas. Many species contain symbiotic photosynthetic protists called zooxanthellae.
Virgulariidae is a family of sea pens, a member of the subclass Octocorallia in the phylum Cnidaria.
Nidaliidae is a family of soft corals in the phylum Cnidaria. Some members of this family are similar in appearance to gorgonians. They are difficult to keep in the reef aquarium because they do not contain symbiotic zooxanthellae and therefore need to be fed on zooplankton. Others, in the genera Agaricoidea, Nidalla and Pieterfaurea, more resemble members of the family Nephtheidae and these are somewhat easier to keep in the aquarium.
Siphonogorgia is a genus of soft corals in the family Nidaliidae. Like other members of this family, these corals do not contain symbiotic zooxanthellae.
Clavularia is a genus of corals in the family Clavulariidae. They are often referred by the common names star polyps or clove polyps.
Heteroxenia is a genus of soft corals in the family Xeniidae.
Litophyton is a genus of soft corals in the family Nephtheidae.
Cavernularia is a genus of marine cnidarians in the family Veretillidae.
Iciligorgia is a genus of soft coral in the family Anthothelidae.
Sarcophyton is a genus of corals in the family Alcyoniidae that are commonly kept in reef aquaria.
Villagorgia is a genus of gorgonian-type octocorals in the family Plexauridae.
Echinogorgia is a genus of corals belonging to the family Plexauridae.
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