Eunapius is 'n genus van sponsdiere uit die familie van die Spongillidae. Eunapius aetheriae (Annandale, 1913) Eunapius ambiguus (Annandale, 1909) Eunapius calcuttanus (Annandale, 1911) Eunapius carteri (Bowerbank, 1863) Eunapius conifer (Annandale, 1916) Eunapius crassissimus (Annandale, 1907) Eunapius fragilis (Leidy, 1851) Eunapius geei (Annandale, 1918) Eunapius geminus (Annandale, 1911) Eunapius igloviformis (Potts, 1884) Eunapius michaelseni (Annandale, 1914) Eunapius nitens (Carter, 1881) Eunapius potamolepis (Annandale, 1918) Eunapius ryuensis (Sasaki, 1970) Eunapius sinensis (Annandale, 1910) Eunapius subterraneus (Sket & Velikonja, 1984) Eunapius tinei (Gee, 1932)