Hydractinia

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Hydractinia
Commensal hydroid7.jpg
Hydractinia altispina
Scientific classification e
Kingdom: Animalia
Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Family: Hydractiniidae
Genus: Hydractinia
van Beneden, 1841
Species

See text

Synonyms
List
  • Cionistes Wright, 1861
  • Echinochorium Hassall, 1841
  • Euhydractinia Broch, 1910
  • Halorhiza Stechow, 1962
  • Hydrodendrium Nutting, 1906
  • Hydronema Stechow, 1921
  • Nuttingia Stechow, 1909
  • Podocorella Stechow, 1921
  • Synhydra Quatrefages, 1843

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 fur.

Species[edit]

References[edit]