| Cerianthidae | |
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| Ceriantheopsis americanus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Subclass: | Ceriantharia |
| Order: | Spirularia |
| Family: | Cerianthidae Milne Edwards & Haime, 1852 [1] |
| Genera | |
See text | |
Cerianthidae is a family of tube-dwelling anemones in the order Spirularia of the subclass Ceriantharia.
The World Register of Marine Species includes the following genera in the family: [1]
Actiniidae is the largest family of sea anemones, to which most common, temperate, shore species belong. Most members of this family do not participate in symbioses with fishes. Three exceptions are the bubble-tip anemone, snakelocks anemone and Urticina piscivora.
Tube-dwelling anemones or ceriantharians look very similar to sea anemones but belong to an entirely different class of anthozoans. They are solitary, living buried in soft sediments. Tube anemones live inside and can withdraw into tubes, which are composed of a fibrous material made from secreted mucus and threads of nematocyst-like organelles known as ptychocysts. Within the tubes of these ceriantharians, more than one polyp is present, which is an exceptional trait because species that create tube systems usually contain only one polyp per tube. Ceriantharians were formerly classified in the taxon Ceriantipatharia along with the black corals but have since been moved to their own class, Ceriantharia.
Notoplax is a genus of chitons in the family Acanthochitonidae.
Cerianthus is a genus of tube-dwelling anemones in the family Cerianthidae. Members of the genus are found worldwide. They are predators, scavengers and omnivores.
Ceriantheopsis is a genus of tube-dwelling anemones in the family Cerianthidae. Members of the genus are found only in the Atlantic Ocean. They are predators, scavengers and omnivores.
Sagartiogeton is a genus of sea anemones in the family Sagartiidae.
The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores arranged one behind the other. The front one includes a somatocyst, while the hind one does not. The somatocyst often contains an oil droplet for buoyancy control. A nectosac in each nectophore allows the organism to swim efficiently.
Ceriantheomorphe is a genus of tube-dwelling anemones in the family Cerianthidae.
Arachnactidae is a family of tube-dwelling anemones in the order Ceriantharia. It is the only family in the monotypic order Penicillaria and comprises around 38 species. They differ from other ceriantharians in the makeup of their cnidome, the relative sizes of the oral discs and the shape and structure of the mesenteries. These tube anemones dwell in parchment-like tubes immersed in soft sediment, and have two whorls of tentacles, the outer ones being much longer than the inner ones.
Diadumene is a genus of sea anemones. It is the only genus in the monotypic family Diadumenidae.
Pachycerianthus is a genus of marine tube-dwelling anemones in the family Cerianthidae.
Bathyphelliidae is a family of sea anemones.
Anthoactis is a genus of cnidarians belonging to the family Cerianthidae.
Isodactylactis is a genus of cnidarians belonging to the family Cerianthidae.
Hensenanthula is a genus of cnidarians belonging to the family Botrucnidiferidae.
Apiactis is a genus of cnidarians belonging to the family Cerianthidae.
Cerianthula is a genus of cnidarians belonging to the family Botrucnidiferidae.
Botrucnidiferidae is a family of cnidarians belonging to the order Spirularia.
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