Hydractiniidae is a
cnidaria
Cnidaria () is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in freshwater and marine environments, predominantly the latter.
Their distinguishing feature is cnidocytes, specialized cells that th ...
n
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
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 Gymno ...
.
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 specialist ...
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 s ...
''
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
Anthoathecata, or the athecate hydroids, are an order of hydrozoans belonging to the phylum Cnid ...
''
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
Hydractiniidae is a cnidarian family of athecate hydroids
Anthoathecata, or the athecate hydroids, are an order of hydrozoans belonging to the phylum ...
''
Miglietta, McNally & Cunningham, 2010
*''
Stylactis
''Stylactis'' is a genus of hydrozoans belonging to the family Hydractiniidae
Hydractiniidae is a cnidarian family of athecate hydroids
Anthoathecata, or the athecate hydroids, are an order of hydrozoans belonging to the phylum Cnidaria. A ...
''
Allman, 1864
References
Filifera
Cnidarian families
{{Anthoathecata-stub