| Nominal Species (n = 18) | Present allocation (n = 17) | Ref. |
|---|---|---|
| Benthocardiella bountyensis Powell, 1933 | Benthocardiella bountyensis | 8121 |
| Cuna carditelloides Suter, 1911 | Cuna carditelloides | 3477 |
| Benthocardiella chathamensis Powell, 1933 | Benthocardiella chathamensis | 8121 |
| Condylocardia chathamensis Powell, 1933 | Condylocardia chathamensis | 3477 |
| Condylocardia crassicosta Bernard, 1897 | Condylocardia crassicosta | 8121 |
| Cuna dalli Vanatta, 1904 | Cuna dalli | 19 |
| Benthocardiella finisterra Güller & Zelaya, 2022 | Benthocardiella finisterra | 3477 |
| Benthocardiella hamatadens Powell, 1930 | Benthocardiella hamatadens | 8121 |
| Benthocardiella ituartei Güller & Zelaya, 2022 | Benthocardiella ituartei | 3477 |
| Cuna laqueus Finlay, 1926 | Cuna laqueus | 3477 |
| Cuna mayi Powell, 1930 | Cuna mayi | 3477 |
| Benthocardiella obliquata Powell, 1930 | Benthocardiella obliquata | 8121 |
| Benthocardiella orbicula Powell, 1930 | Benthocardiella orbicula | 8121 |
| Condylocardia pectinata chathamensis Powell, 1933 | Condylocardia chathamensis | 3477 |
| Benthocardiella pusilla Powell, 1930 | Benthocardiella pusilla | 3477 |
| Benthocardiella rakiura Powell, 1939 | Benthocardiella rakiura | 8121 |
| Benthocardiella striatula Powell, 1931 | Benthocardiella striatula | 8121 |
| Condylocuna tricosa Middelfart, 2002 | Condylocuna tricosa | 8218 |