Hydractiniidae is a
cnidaria
Cnidaria () is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in Fresh water, freshwater and Marine habitats, marine environments, predominantly the latter.
Their distinguishing feature is cnidocyt ...
n
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of
athecate hydroids
Anthoathecata, or the athecate hydroids, are an order of hydrozoans belonging to the phylum Cnidaria. A profusion of alternate scientific names exists for this long-known, heavily discussed, and spectacular group. It has also been called Gymnob ...
.
Genera
The
World Register of Marine Species
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms.
Content
The content of the registry is edited and maintained by scientific speciali ...
includes the following genera in the family:
*''
Bouillonactinia''
Miglietta, McNally & Cunningham, 2010
*''
Clava''
Gmelin, 1788
*''
Clavactinia''
Thornely, 1904
*''
Cnidostoma''
Vanhöffen, 1911
*''
Distichozoon''
Cairns, 2015
*''
Fiordlandia''
Schuchert, 1996
*''
Hydractinia
''Hydractinia'' is a genus of commensal athecate hydroids which belong to the family Hydractiniidae. ''Hydractinia'' species mostly live on hermit-crabbed marine gastropod shells.
One species, ''Hydractinia echinata'', is commonly known as snail ...
''
Van Beneden, 1844
*''
Hydrissa''
Stechow, 1922
*''
Hydrocorella
''Hydrocorella'' is a small genus of athecate hydroids in the family Hydractiniidae
Hydractiniidae is a cnidarian family of athecate hydroids.
Genera
The World Register of Marine Species
The World Register of Marine Species (WoRMS) is a ...
''
Stechow, 1921
*''
Janaria
''Janaria'' is a genus of commensal athecate hydroids in the family Hydractiniidae. It is a monotypic genus and the only species is ''Janaria mirabilis'', commonly known as staghorn hydrocoral. It is a colonial species and lives on a shell occupi ...
''
Stechow, 1921
*''
Parahydractinia''
Xu & Huang, 2006
*''
Podocoryna''
M. Sars, 1846
*''
Schuchertinia
''Schuchertinia'' is a genus of commensal athecate hydroids in the family Hydractiniidae.
Species
The World Register of Marine Species includes the following species in the genus:
*'' Schuchertinia allmanii'' (Bonnevie, 1898)
*'' Schuchertinia ...
''
Miglietta, McNally & Cunningham, 2010
*''
Stylactis
''Stylactis'' is a genus of hydrozoans belonging to the family Hydractiniidae.
The species of this genus are found in Europe and Northern America.
Species:
*'' Stylactaria hooperii''
*''Stylactis fucicola''
*''Stylactis inermis
''Stylactis' ...
''
Allman, 1864
References
Filifera
Cnidarian families
{{Anthoathecata-stub