1. Subgenus Austrosipho (Verconella) Iredale, 1914 accepted as Penion P. Fischer, 1884 (unnecessary substitute name for Penion, by Iredale assumed to be a junior homonym of Penium Philippi, 1865)
   1. Species Austrosipho (Verconella) asper Marwick, 1928 † accepted as Penion asper (Marwick, 1928) † (superseded combination)
   2. Species Austrosipho (Verconella) chathamensis A. W. B. Powell, 1938 accepted as Penion chathamensis (A. W. B. Powell, 1938) (superseded combination)
   3. Species Austrosipho (Verconella) edita A. W. B. Powell, 1934 † accepted as Penion sulcatus (Lamarck, 1816) (junior subjective synonym)
   4. Species Austrosipho (Verconella) exoptatus A. W. B. Powell & Bartrum, 1929 † accepted as Penion exoptatus (A. W. B. Powell & Bartrum, 1929) † (superseded combination)
   5. Species Austrosipho (Verconella) haweraensis A. W. B. Powell, 1931 † accepted as Penion haweraensis (A. W. B. Powell, 1931) † (superseded combination)
   6. Species Austrosipho (Verconella) latispinifer Marwick, 1932 † accepted as Penion crawfordi (F. W. Hutton, 1873) † (junior subjective synonym)
2. Species Austrosipho asper Marwick, 1928 † accepted as Penion asper (Marwick, 1928) † (superseded combination)
3. Species Austrosipho exoptatus A. W. B. Powell & Bartrum, 1929 † accepted as Penion exoptatus (A. W. B. Powell & Bartrum, 1929) † (superseded combination)
4. Species Austrosipho huttoni L. C. King, 1934 † accepted as Penion huttoni (L. C. King, 1934) † (superseded combination)
5. Species Austrosipho masoni C. A. Fleming, 1943 † accepted as Penion crawfordi (F. W. Hutton, 1873) † (junior subjective synonym)
6. Species Austrosipho roblini (Tenison Woods, 1876) † accepted as Penion roblini (Tenison Woods, 1876) † (superseded combination)
7. Species Austrosipho takapauensis C. A. Fleming, 1943 † accepted as Penion crawfordi (F. W. Hutton, 1873) † (junior subjective synonym)

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