Galaxia gen. nov.

Type species. Galaxia gaviotensis sp. nov.

Diagnosis. Hemiasterellidae with thinly encrusting growth habit. Megascleres include tylostyles, styles, and oxeas. These are found in bundles parallel to the substrate and oriented vertically, piercing the sponge surface. Microscleres are asters.

Etymology. From the latin galaxia, referring to the milky way. Like a galaxy, the type species of the genus is packed with a diversity of stars.