- Arthonia Ach.
- Arthonia albofuscescens Tuck.
- Arthonia albovirescens Nyl.
- Arthonia aleuromela Nyl.
- Arthonia anjutii S. Kondr. & Alstrup
- Arthonia apetetica (A. Massal.) Th. Fr.
- Arthonia arthonioides (Ach.) A. L. Sm.
- Arthonia aspera Leighton
- Arthonia astericus Mull. Arg.
- Arthonia atomaria (Lynge) R. Kilias
- Arthonia atrata (Fee) Mull. Arg.
- Arthonia bisepta Degel.
- Arthonia byssacea (Weigel) Almq.
- Arthonia caesia (Flotow) Korber
- Allarthonia caesia Flotow
- Arthonia caribaea (Ach.) A. Massal.
- Arthonia carneorufa Willey
- Arthonia caudata Willey
- Arthonia chiodectella Nyl.
- Arthonia cinereopruinosa Schaerer
- Arthonia cinnabarina (DC.) Wallr.
- Arthonia gregaria (Weigel) Korber
- Arthonia tumidula (Ach.) Ach.
- Arthonia clemens (Tul.) Th. Fr.
- Arthonia complanata Fee
- Arthonia conferta (Fee) Nyl.
- Arthonia cupressina Tuck.
- Arthonia cytisi A. Massal.
- Arthonia didyma Korber
- Arthonia diffusa Nyl.
- Arthonia diffusella Fink
- Arthonia dispersa (Schrader) Nyl.
- Arthonia dispersula Nyl.
- Arthonia eckfeldtii Mull. Arg.
- Arthonia epimela (Almq.) Lamb
- Arthonia epipastoides Nyl.
- Arthonia epiphyscia Nyl.
- Arthonia erubescens Willey
- Arthonia erupta Nyl.
- Arthonia excedens Nyl.
- Arthonia exilis (Florke) Anzi
- Arthonia fissurina Nyl.
- Arthonia floridana Willey
- Arthonia fuliginosa (Schaer) Flotow
- Arthonia galactitella Nyl.
- Arthonia glaucescens Nyl.
- Arthonia glaucomaria (Nyl.) Nyl.
- Celidium varians Arnold
- Arthonia glebosa Tuck.
- Arthonia granosa de Lesd.
- Arthonia gyalectoides Mull Arg.
- Arthonia hamamelidis Nyl.
- Arthonia hypobela (Nyl.) Zahlbr.
- Arthonia ilicina Taylor
- Arthothelium ilicinum (Taylor) P. James
- Arthonia impallens Nyl.
- Arthonia incarnata Fr. ex Almq.
- Arthonia infectans Egea & Torrente
- Arthonia intexta Almq.
- Arthonia lapidicola (Taylor) Branth & Rostrup
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