''Citronia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

sea sponge 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 throug ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Dysideidae Dysideidae is a family of sea sponges in the order Dictyoceratida Dictyoceratida is an order of sponges in the subclass Ceractinomorpha containing five families. Along with the Dendroceratida, it is one of the two orders of demosponges that ma ...

. It consists of one species, ''Citronia vasiformis'' (Bergquist, 1995).Bergquist, P. R. (1995). Dictyoceratida, Dendroceratida, and Verongida from the New Caledonia lagoon (Porifera: Demospongiae). ''Memoirs of the Queensland Museum'', 38(1), 1–51.

References

Dictyoceratida Monotypic sponge genera Taxa named by Patricia Bergquist {{demosponge-stub