| Nominal Species (n = 15) | Present allocation (n = 5) | Ref. |
|---|---|---|
| Heterotis adansoni Valenciennes, 1847 | Heterotis niloticus | 3514 |
| Sudis adansonii Cuvier, 1829 | Heterotis niloticus | 3514 |
| Vastres agassizii (non Valenciennes, 1847) | Arapaima gigas | 93668 |
| Vastres agassizii Valenciennes, 1847 | Arapaima agassizii | 93668 |
| Vastres arapaima Valenciennes, 1847 | Arapaima gigas | 50891 |
| Vastres cuvieri Valenciennes, 1847 | Arapaima gigas | 50891 |
| Heterotis ehrenbergii Valenciennes, 1847 | Heterotis niloticus | 3514 |
| Sudis gigas Schinz, 1822 | Arapaima gigas | 50891 |
| Sudis gigas Cuvier, 1829 | Arapaima gigas | 50838 |
| Arapaima leptosoma Stewart, 2013 | Arapaima leptosoma | 94273 |
| Vastres mapae Valenciennes, 1847 | Arapaima mapae | 50891 |
| Vastres mapae (non Valenciennes, 1847) | Arapaima gigas | 94273 |
| Sudis nilotica Cuvier, 1829 | Heterotis niloticus | 3514 |
| Sudis niloticus Rüppell, 1829 | Heterotis niloticus | 50838 |
| Sudis pirarucu Spix & Agassiz, 1829 | Arapaima gigas | 50891 |