| Pyrenodesmia A. Massal., 1852 |
| Pyrenodesmia peliophylla (Tuck.) S.Y. Kondr., 2020 |
| Scythioria S.Y. Kondr., Kärnefelt, Elix, A, Thell & Hur, 2014 |
| Scythioria durietzii (H. Magn.) S.Y. Kondr., 2015 |
| Seirophora Poelt, 1983 |
| Seirophora californica (Sipman) Frödén, 2004 |
| Squamulea Arup. Søchting & Frödén, 2013 |
| Squamulea parviloba (Wetmore) Arup, Søchting & Frödén, 2013 |
| Squamulea squamosa (B. de Lesd.) Arup., Søchting & Frödén, 2013 |
| Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén, 2013 |
| Tayloriellina S.Y. Kondr., Kärnefelt., A. Thell, Elix & Hur, 2016 |
| Tayloriellina microphyllina (Tuck.) Søchting & Arup, 2021 |
| Teloschistaceae Zahlbr., 1898 |
| Teloschistes Norman, 1853 |
| Teloschistes californicus Sipman, 1993 |
| Teloschistes chrysophthalmus (L.) Norman ex Tuck., 1882 |
| Teloschistes exilis (Michx.) Vain., 1890 |
| Teloschistes flavicans (Sw.) Norman, 1853 |
| Teloschistes villosus (Ach.) Norman, 1853 |
| Wetmoreana Arup, Søchting & Frödén, 2013 |