| 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 hypoglaucus (Nyl.) Zahlbr., 1908 |
| Teloschistes villosus (Ach.) Norman, 1853 |
| Wetmoreana Arup, Søchting & Frödén, 2013 |
| Wetmoreana appressa (Wetmore & Kärnefelt) Arup, Søchting & Frödén, 2013 |
| Wetmoreana brouardii (B. de Lesd.) Wilk & Søchting, 2020 |
| Wetmoreana texana (Wetmore & Kärnefelt) Arup, Frödén & Søchting, 2013 |
| Xanthomendoza S.Y. Kondr. & Kärnefelt, 1997 |
| Xanthomendoza concinna (J.W. Thomson & T.H. Nash) Søchting, Kärnefelt & S.Y. Kondr., 2002 |
| Xanthomendoza fallax Søchting, Kärnefelt & S.Y. Kondr., 2002 |