イソガワラ目
Hapalospongidiaceae Reyes Gómez & León-Alvarez, 2017 Hapalospongidion De A.Saunders, 1899
イソガワラ科 Ralfsiaceae Farlow, 1881 Basispora D.M.John & G.W.Lawson, 1974 Jonssonia S.Lund, 1959 Lithoderma Areschoug, 1875 Myrionemopsis P.Dangeard, 1968 Petroderma Kuckuck, 1897 Porterinema Waern, 1952 Ralfsia Berkeley, 1843