| Allarthonia Müll. Arg., 1895 |
| Allarthonia mexicana B. de Lesd., 1922 |
| Arthonia Ach., 1806 |
| Arthonia accolens Stirt., 1879 |
| Arthonia antillarum (Fée) Nyl., 1867 |
| Arthonia astroidestera Nyl., 1874 |
| Arthonia cinnabarina DC. Wallr., 1831 |
| Arthonia glaucella Nyl., 1856 |
| Arthonia leptosperma (Müll. Arg.) R. Sant., 1952 |
| Arthonia mirabilis Grube, 2007 |
| Arthonia punctiformis Ach., 1808 |
| Arthonia redingeri Grube, 2007 |
| Arthonia rubella (Fée) Nyl., 1856 |
| Arthonia subrubella Nyl., 1863 |
| Arthoniaceae Reichenb. ex Reichenb., 1841 |
| Arthoniopsis Müll. Arg., 1890 |
| Arthoniopsis leptosperma Müll. Arg., 1890 |
| Arthothelium A. Massal., 1852 |
| Arthothelium sanguineum (Nyl.) Zahlbr., 1903 |
| Coniocarpon DC., 1805 |