Metridiidae
Metridiidae is a family of sea anemones in the order Actiniaria.[2]
| Metridiidae | |
|---|---|
 | |
| Metridium senile | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Anthozoa |
| Order: | Actiniaria |
| Superfamily: | Metridioidea |
| Family: | Metridiidae Carlgren, 1893[1] |
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.
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References
- Metridiidae Archived 2012-03-31 at the Wayback Machine KU Natural History Museum. Retrieved 2011-08-05.
- Metridiidae World Register of Marine Species. Retrieved 2011-08-05.
- "WoRMS - World Register of Marine Species - Metridiidae Carlgren, 1893". www.marinespecies.org. Retrieved 2018-05-14.
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