• Diplomystes camposensis Arratia, 1987
• Diplomystes chilensis (Molina, 1782)
• Diplomystes cuyanus Ringuelet, 1965
• Diplomystes mesembrinus Ringuelet, 1982
• Diplomystes nahelbutaensis Arratia, 1987 accepted as Diplomystes nahuelbutaensis Arratia, 1987
• Diplomystes nahuelbutaensis Arratia, 1987
• Diplomystes nahuelbutensis Arratia, 1987 accepted as Diplomystes nahuelbutaensis Arratia, 1987
• Diplomystes papillosus (Valenciennes, 1840) accepted as Diplomystes chilensis (Molina, 1782)
• Diplomystes viedmensis MacDonagh, 1931
• Olivaichthys cuyanus (Ringuelet, 1965) accepted as Diplomystes cuyanus Ringuelet, 1965
• Olivaichthys mesembrinus (Ringuelet, 1982) accepted as Diplomystes mesembrinus Ringuelet, 1982
• Olivaichthys viedmensis (MacDonagh, 1931) accepted as Diplomystes viedmensis MacDonagh, 1931