| Orthotheres Sakai, 1969 |
| Orthotheres unguifalcula (Glassell, 1936) |
| Parapinnixa Holmes, 1894 |
| Parapinnixa bouvieri Rathbun, 1918 |
| Parapinnixa hendersoni Rathbun, 1918 |
| Parapinnixa nitida (Lockington, 1876) |
| Pinnaxodes Heller, 1865 |
| Pinnaxodes gigas Green, 1992 |
| Pinnixa White, 1846 |
| Pinnixa abbotti Glassell, 1935 |
| Pinnixa affinis Rathbun, 1898 |
| Pinnixa barnharti Rathbun, 1918 |
| Pinnixa cristata Rathbun, 1900 |
| Pinnixa felipensis Glassell, 1935 |
| Pinnixa fusca Glassell, 1935 |
| Pinnixa hendrickxi Salgado-Barragán, 2015 |
| Pinnixa huffmani Glassell, 1935 |
| Pinnixa nittida Lockington, 1876 |
| Pinnixa occidentalis Rathbun, 1894 |
| Pinnixa pembertoni Glassell, 1935 |