Species (29)
- Thelidium tiroliense Zschacke
- Thelidium submethorium (Vain.) Zschacke
- Thelidium subsimplex Zschacke
- Thelidium impressum (Müll.Arg.) Zschacke
- Thelidium decipiens (Nyl.) Kremp.
- Thelidium minutulum Körb.
- Thelidium incavatum Mudd
- Thelidium arnoldii Zschacke
- Thelidium rehmii Zschacke
- Thelidium papulare (Fr.) Arnold
- Thelidium absconditum (Hepp) Rabenh.
- Thelidium zwackhii (Hepp) A.Massal.
- Thelidium auruntii
- Thelidium subrimulatum
- Thelidium pluvium Orange
- Thelidium aeneovinosum (Anzi) Arnold
- Thelidium olivaceum (Fr.) Körb.
- Thelidium ungeri Flot.
- Thelidium pyrenophorum (Ach.) Mudd
- Thelidium verrucosum Zschacke
- Thelidium dionantense (Hue) Zschacke
- Thelidium acrotellum Arnold
- Thelidium aphanes Lahm
- Thelidium cataractarum (Hepp) Lönnr.
- Thelidium minimum (A.Massal.) Arnold
- Thelidium parvulum Arnold
- Thelidium zahlbruckneri Servít
- Thelidium austriacum Zschacke
- Thelidium umbrosum A.Massal.