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).

[5] The choanosomal skeleton consists of diactines, sometimes together with less frequent hexactines (spicules with six prongs).

[5] As of 2017[update], WoRMS recognizes three subfamilies and twenty-six genera in the family:[6]

This poriferan- (or sponge-) related article is a stub.