Biology:Metridiidae

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Short description: Family of sea anemones

Metridiidae
Metridium senile.jpg
Metridium senile
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Hexacorallia
Order: Actiniaria
Superfamily: Metridioidea
Family: Metridiidae
Carlgren, 1893[1]

Metridiidae is a family of sea anemones in the order Actiniaria.[2]

Characteristics

Members of the family Metridiidae are characterised by having a mesogloeal sphincter muscle and by the mesenterial arrangement, with the mesenteries not being divided into macronemes and microcnemes. The acontia typically have microbasic b-mastigophors and microbasic amastigophors, though the latter are not always present in adults.[1]

Genera

The following genera are recognised by the World Register of Marine Species (WoRMS):[3]

  • Metridium Blainville, 1824
  • Paraisometridium Zamponi, 1978

Of these, Metridium is the most speciose while Paraisometridium is monotypic.

References

  1. 1.0 1.1 Metridiidae KU Natural History Museum. Retrieved 2011-08-05.
  2. Metridiidae World Register of Marine Species. Retrieved 2011-08-05.
  3. "WoRMS - World Register of Marine Species - Metridiidae Carlgren, 1893" (in en). http://www.marinespecies.org/aphia.php?p=taxdetails&id=100678. 

Wikidata ☰ Q3307428 entry