| Rhexiola Park, 1952 |
| Rhexiola mexicana (Park, 1952) |
| Rhexiola plana (Park, 1952) |
| Rhexius LeConte, 1849 |
| Rhexius (Rhexius) LeConte, 1849 |
| Rhexius (Rhexius) conificola Park, 1952 |
| Rhexius (Rhexius) dentatus Park, 1952 |
| Rhexius (Rhexius) laminosus Park, 1952 |
| Rhexius (Rhexius) nevermanni Park, 1945 |
| Rhexius (Rhexius) obscurus Park, 1952 |
| Rhexius (Rhexius) sharpi Park, 1943 |
| Rhexius (Rhexius) sharpi subsp. excelsus Park, 1952 |
| Rhexius (Rhexius) sharpi subsp. sharpi Park, 1943 |
| Rhinoscepsina Bowman, 1934 |
| Rhinoscepsis LeConte, 1878 |
| Rhinoscepsis (Rhinoscepsis) LeConte, 1878 |
| Rhinoscepsis (Rhinoscepsis) dybasi Park, 1942 |
| Rhinoscepsis (Rhinoscepsis) ocularis Park, 1945 |
| Rhinoscepsis (Rhinoscepsis) ocularis subsp. ocularis Park, 1945 |
| Rhinoscepsis (Rhinoscepsis) sodalis Park, 1952 |