| Dimelaena Norman, 1853 |
| Dimelaena californica (H. Magn.) Sheard, 1974 |
| Dimelaena oreina (Ach.) Norman, 1853 |
| Dimelaena radiata (Tuck.) Hale & W.L. Culb., 1970 |
| Diploicia A. Massal., 1852 |
| Diploicia canescens (Dicks.) A. Massal., 1852 |
| Monerolechia Trevis., 1857 |
| Monerolechia californica (H. Magnusson) Elix, 2015 |
| Pyxine Fr., 1825 |
| Pyxine berteriana (Fée) Imshaug, 1957 |
| Pyxine caesiopruinosa (Tuck.) Imshaug, 1957 |
| Pyxine cocoes (Sw.) Nyl., 1857 |
| Pyxine consocians Vain., 1913 |
| Pyxine endoleuca (Müll. Arg.) Vain., 1898 |
| Pyxine eschweileri (Tuck.) Vain., 1890 |
| Pyxine mexicana Kalb, 2002 |
| Pyxine petricola Nyl., 1876 |
| Pyxine physciiformis (Malme) Imshaug, 1957 |
| Pyxine picta (Sw.) Tuck., 1877 |
| Pyxine sorediata (Ach.) Mont., 1845 |