Psilostomidae Looss, 1900
Psilotrema breve Oshmarin, 1963
Psilotrema castoris Orlov, 1946
Psilotrema marki Skvorzov, 1934
Psilotrema medioporum Oshmarin, 1963
Psilotrema oligoon (von Linstow, 1887)
Psilotrema pharyngeatum Grabda, 1954
Psilotrema simillimum (Muhling, 1898)
Psilotrema spiculigerum (Muhling, 1898)
Psilotrema tuberculatum (de Filippi, 1857)
Psilotrema zibethicum Varenov, 1965
