Spirasigmidae is a family of
sponges
Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through ...
belonging to the order
Tetractinellida
Tetractinellida is an order of sea sponges belonging to the Class Demospongiae. First described in 1876, this order received a new description in 2012 and replaced the two orders Astrophorida and Spirophorida, which then became sub-orders as A ...
.
Genera:
* ''
Spirasigma''
Hallmann, 1912
* ''
Tentorina''
Burton, 1959
References
Sponge families
{{demosponge-stub