Filifera

Stylasteridae, also known as lace corals, is a family of colonial hydrozoans with a calcified skeleton. They first appeared 65 million years ago in deep waters. About 10% of the species have adapted to live in water less than deep. The rest are found in deeper water, most commonly between , with the deepest known species observed at a depth of .

Oceaniidae is one of the over 50 cnidarian families of the order Anthomedusae. It contains nearly 50 species in ten genera.

Hydractiniidae is a cnidarian family of athecate hydroids.

Eudendriidae is a taxonomic family of hydroids (Hydrozoa). The family contains around 85 species.

Australomedusidae is a family of cnidarians belonging to the order Anthoathecata.

Rathkeidae is a family of cnidarians belonging to the order Anthoathecata.

Pandeidae is a family of hydroids in the class Hydrozoa. Like other jellyfish there is usually a mature medusa form which is pelagic and reproduces sexually and a hydroid or polyp form which is often benthic and reproduces asexually by budding.

Filifera is a suborder of hydrozoans in the order Anthoathecata. They are found in marine, brackish and freshwater habitats.

Cytaeididae is a family of cnidarians belonging to the order Anthoathecata.

Bythotiaridae is a family of cnidarians belonging to the order Anthoathecata.

Bougainvilliidae is a family of marine hydroids in the class Hydrozoa. Members of the family are found worldwide. There are sixteen accepted genera and about ninety-three species.

Protiaridae is a family of cnidarians belonging to the order Anthoathecata.

species of cnidarian

Proboscidactyla is a genus of cnidarians belonging to the order Anthoathecata.

Ptilocodiidae is a family of hydrozoans in the order Anthoathecata.

Rhysia is a genus of cnidarians belonging to the monotypic family Rhysiidae.

Proboscidactylidae is a family of cnidarians belonging to the order Anthoathecata.

Magapiidae is a family of cnidarians belonging to the order Anthoathecata.

species of cnidarian

Balellidae is a family of cnidarians belonging to the order Anthoathecata.

Trichydra is a monotypic genus of cnidarians belonging to the monotypic family Trichydridae. The only species is Trichydra pudica.