Diphyidae Quoy & Gaimard 1827 articles

Diphyidae

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The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores (swimming bells) arranged one behind the other. The front one includes a somatocyst (extension of the gastrovascular system), while the hind one does not. The somatocyst often contains an oil droplet for buoyancy control. A nectosac (central cavity with muscular walls) in each nectophore allows the organism to swim efficiently.^[1]

Systematics

The World Register of Marine Species includes the following taxa in the family Diphyidae:^[2]

Subfamily Diphyinae Quoy & Gaimard, 1827
- Genus Chelophyes Totton, 1932
  - Chelophyes appendiculata (Eschscholtz, 1829)
  - Chelophyes contorta (Lens & van Riemsdijk, 1908)
- Genus Dimophyes Moser, 1925
  - Dimophyes arctica (Chun, 1897)
- Genus Diphyes Cuvier, 1817
  - Diphyes antarctica Moser, 1925
  - Diphyes bojani (Eschscholtz, 1825)
  - Diphyes chamissonis Huxley, 1859
  - Diphyes dispar Chamisso & Eysenhardt, 1821
- Genus Eudoxoides Huxley, 1859
  - Eudoxoides mitra (Huxley, 1859)
  - Eudoxoides spiralis (Bigelow, 1911)
- Genus Lensia Totton, 1932
  - Lensia achilles Totton, 1941
  - Lensia ajax Totton, 1941
  - Lensia asymmetrica Stepanjants, 1970
  - Lensia campanella (Moser, 1917)
  - Lensia challengeri Totton, 1954
  - Lensia conoidea (Keferstein & Ehlers, 1860)
  - Lensia cordata Totton, 1965
  - Lensia cossack Totton, 1941
  - Lensia exeter Totton, 1941
  - Lensia fowleri (Bigelow, 1911)
  - Lensia gnanamuthui Daniel & Daniel, 1963
  - Lensia grimaldii Leloup, 1933
  - Lensia hardy Totton, 1941
  - Lensia havock Totton, 1941
  - Lensia hostile Totton, 1941
  - Lensia hotspur Totton, 1941
  - Lensia hunter Totton, 1941
  - Lensia leloupi Totton, 1954
  - Lensia lelouveteau Totton, 1941
  - Lensia meteori (Leloup, 1934)
  - Lensia multicristata (Moser, 1925)
  - Lensia panikkari Daniel, 1971
  - Lensia quadriculata Pages, Flood & Youngbluth, 2006
  - Lensia subtilis (Chun, 1886)
  - Lensia subtiloides (Lens & van Riemsdijk, 1908)
  - Lensia zenkevitchi Margulis, 1970
- Genus Muggiaea Busch, 1851
  - Muggiaea atlantica Cunningham, 1892
  - Muggiaea bargmannae Totton, 1954
  - Muggiaea delsmani Totton, 1954
  - Muggiaea kochii (Will, 1844)
Subfamily Giliinae Pugh & Pages, 1995
- Genus Gilia Pugh & Pages, 1995
  - Gilia reticulata (Totton, 1954)
Subfamily Sulculeolariinae Totton, 1954
- Genus Sulculeolaria Blainville, 1830
  - Sulculeolaria biloba (Sars, 1846)
  - Sulculeolaria chuni (Lens & van Riemsdijk, 1908)
  - Sulculeolaria monoica (Chun, 1888)
  - Sulculeolaria quadrivalvis de Blainville, 1830
  - Sulculeolaria turgida (Gegenbaur, 1854)

References

^ ^a ^b Schuchert, Peter (2015). "Diphyidae Quoy & Gaimard, 1827". WoRMS. World Register of Marine Species. Retrieved 2015-04-15.
^ "WoRMS - World Register of Marine Species - Diphyidae Quoy & Gaimard, 1827". marinespecies.org. Retrieved 2018-03-17.

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Diphyidae: Brief Summary

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The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores (swimming bells) arranged one behind the other. The front one includes a somatocyst (extension of the gastrovascular system), while the hind one does not. The somatocyst often contains an oil droplet for buoyancy control. A nectosac (central cavity with muscular walls) in each nectophore allows the organism to swim efficiently.

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Diagnosis

provided by World Register of Marine Species

Calycophorae with usually two dissimilar, streamlined definitive nectophores arranged serially; the anterior nectophore possesses a somatocyst, the posterior not; somatocyst often with oil droplets for buoyancy control; the hydroecium generally reduced in anterior nectophore; a nectosac occupies most of the nectophore and, with the overall streamlining, enables the animals to be fast and active swimmers.

Schuchert, P.

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contributor: Schuchert, Peter, P.

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partner site: World Register of Marine Species