Advhena is a monotypic genus of glass sponges in the family Euplectellidae. It contains the single species Advhena magnifica, also known as the E.T. sponge...

likenesses of E.T. at six of its international locations. A species of sponge, Advhena magnifica, was given the common name "E.T. sponge" due to its resemblance...

following subfamilies and genera: Subfamily Bolosominae Tabachnick, 2002 Advhena Castello-Branco, Collins & Hajdu, 2020 Amphidiscella Tabachnick & Lévi...