- Genaxinus bongraini (E. Lamy, 1910) (uncertain > taxon inquirendum)
- Genaxinus debilis (Thiele, 1912) accepted as Thyasira debilis (Thiele, 1912)
- Mendicula ferruginosa (Forbes, 1844)
- Parathyasira dearborni (Nicol, 1965)
- Thyasira dearborni Nicol, 1965 accepted as Parathyasira dearborni (Nicol, 1965)
- Thyasira debilis (Thiele, 1912)
- Thyasira falklandica (E. A. Smith, 1885)
- Thyasira ferruginosa (Forbes, 1844) accepted as Mendicula ferruginosa (Forbes, 1844)