Hydractinia
| Hydractinia | |
|---|---|
 |
|
| Hydractinia altispina | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Subclass: | Leptolinae |
| Order: | Anthomedusae |
| Family: | Hydractiniidae |
| Genus: |
Hydractinia van Beneden, 1841 |
| Species | |
|
see text |
|
see text
Hydractinia is a genus of commensal athecate hydroids which belong to the family Hydractiniidae. Hydratinia species mostly live on hermit-crabbed marine gastropod shells.
One species, Hydractinia echinata, is commonly known as snail fur.
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