Buccinidae Rafinesque, 1815
Austrosipho lamellifera
Austrosipho subreflexa
Penion bellus
Penion benthicola Dell, 1956
Penion benthicolus Dell, 1956
Penion chathamensis (Powell, 1938)
Penion cuvierianus (Powell, 1927)
Penion darwinianus
Penion delabechii
Penion dilatatus (Quoy & Gaimard, 1833)
Penion fairfieldae (Powell, 1947)
Penion grandis Gray, 1839
Penion marwicki
Penion maximus (Tryon, 1881)
Penion oligostira Tate, 1891
Penion ormesi (Powell, 1927)
Penion pastinacea Reeve, 1848
Penion roblini (Tenison-Woods)
Penion spatiosus (Tate, 1888)
Penion sulcatus (Lamarck, 1816)
Penion tasmaniensis Adams & Angas, 1864
Penion waitei Hedley, 1903