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Family of sponges From Wikipedia, the free encyclopedia
Rossellidae is a family of glass sponges belonging to the order Lyssacinosa. The family has a cosmopolitan distribution and is found at a large range of depths (8–6,770 m (26–22,211 ft), and likely deeper).[3]
Rossellidae | |
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Rossella antarctica, illustration in: Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 : under the command of Captain George S. Nares, R.N., F.R.S. and Captain Frank Turle Thomson, R.N. 1887 | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Porifera |
Class: | Hexactinellida |
Order: | Lyssacinosida |
Family: | Rossellidae Schulze, 1885[1][2] |
Subfamilies | |
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The body is usually a cup-like structure. In stalked forms the body can be mushroom-like. Spicules protruding beyond the sponge surface, when present, are diactines (spicules with two pointed arms) or specialised outwardly protruding hypodermal pentactines (five pointed spicules).[3]
The choanosomal skeleton consists of diactines, sometimes together with less frequent hexactines (spicules with six prongs). A large variety of microscleres occur in this family, including a variety of holactinoidal and asterous spicules.[3]
As of 2017[update], WoRMS recognizes three subfamilies and twenty-six genera in the family:[4]
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