Theonellidae
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| Theonellidae | |
|---|---|
_Figure_2_(cropped).png) | |
| Discodermia ramifera | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | Tetractinellida |
| Suborder: | Astrophorina |
| Family: | Theonellidae Lendenfeld, 1903 |
Theonellidae is a family of sponges belonging to the order Tetractinellida,[1] which was first described by Robert von Lendenfeld in 1903.[1][2]
Theonella conica is known for hyperaccumulation of molybdenum due to the action of an endosymbiont microbe, Entotheonella sp.[3]