| Species | Name Used in Reference |
|---|---|
| Arapaima agassizii (Valenciennes, 1847) | Arapaima agassizii (p. 471) |
| Arapaima arapaima (Valenciennes, 1847) | Arapaima arapaima (p. 471) |
| Arapaima gigas (Schinz, 1822) | Arapaima gigas (p. 471) |
| Arapaima leptosoma Stewart, 2013 | Arapaima leptosoma (p. 471;fig.1A-E,2F) |
| Arapaima mapae (Valenciennes, 1847) | Arapaima mapae (p. 471) |