Microxina is 'n genus van sponsdiere uit die familie van die Demospongiae (gewone sponse). Microxina benedeni (Topsent, 1901) Microxina charcoti (Topsent, 1916) Microxina lanceolata (Calcinai & Pansini, 2000) Microxina myxa (Goodwin, Brewin & Brickle, 2012) Microxina phakellioides (Kirkpatrick, 1907) Microxina sarai (Calcinai & Pansini, 2000) Microxina simplex (Topsent, 1916) Microxina subtilis (Pulitzer-Finali, 1982)