• Hansenula angusta Teun., H.H. Hall & Wick., 1961 accepted as Pichia angusta (Teun., H.H. Hall & Wick.) Kurtzman, 1984
• Hansenula anomala (E.C. Hansen) Syd. & P. Syd., 1919 accepted as Pichia anomala (E.C. Hansen) Kurtzman, 1984
• Hansenula jadinii (Sartory, A. Weill, R. Weill & J. Mey.) Wick., 1951 accepted as Pichia jadinii (Sartory, A. Weill, R. Weill & J. Mey.) Kurtzman, 1984
• Hansenula matritensis Santa María, 1956 accepted as Citeromyces matritensis (Santa María) Santa María, 1957
• Hansenula minuta Wick., 1951 accepted as Pichia minuta (Wick.) Kurtzman, 1984
• Hansenula mrakii Wick., 1951 accepted as Williopsis mrakii (Wick.) G.I. Naumov & Vustin, 1981
• Hansenula platypodis (J.M. Baker & Kreger) Arx, 1967 accepted as Hormoascus platypodis (J.M. Baker & Kreger) Arx, 1972
• Hansenula polymorpha Morais & M.H. Maia, 1959 accepted as Pichia angusta (Teun., H.H. Hall & Wick.) Kurtzman, 1984
• Hansenula silvicola Wick., 1951
• Hansenula subpelliculosa Bedford, 1983
• Hansenula tannophila (Boidin & Adzet) I. Campb., 1973 accepted as Pachysolen tannophilus Boidin & Adzet, 1958
• Komagataea pratensis (Babeva & Reshetova) Y. Yamada, M. Matsuda, K. Maeda, Sakak. & Mikata, 1994
• Williopsis dispora (Stell.-Dekk.) Kock.-Krat., 1990 accepted as Saturnispora dispora (Stell.-Dekk.) Z.W. Liu & Kurtzman, 1991
• Williopsis mrakii (Wick.) G.I. Naumov & Vustin, 1981
• Williopsis pratensis Babeva & Reshetova, 1979 accepted as Komagataea pratensis (Babeva & Reshetova) Y. Yamada, M. Matsuda, K. Maeda, Sakak. & Mikata, 1994
• Williopsis saitoi (K. Kodama, Kyono & S. Kodama) Kock.-Krat., 1990 accepted as Saturnispora saitoi (K. Kodama, Kyono & S. Kodama) Z.W. Liu & Kurtzman, 1991