- Myzostoma antarcticum Stummer-Traunfels, 1908
- Myzostoma cysticolum Graff, 1883
- Myzostoma divisor Grygier, 1989
- Myzostoma gerlachei Fauvel, 1936
- Myzostomum antarcticum Stummer-Traunfels, 1908 accepted as Myzostoma antarcticum Stummer-Traunfels, 1908
- Myzostomum cysticolum Graff, 1883 accepted as Myzostoma cysticolum Graff, 1883
- Myzostomum gerlachei Fauvel, 1936 accepted as Myzostoma gerlachei Fauvel, 1936
- Protomyzostomum lingua Summers & Rouse in Summers, Al-Hakim & Rouse, 2014