List of species and infraspecific taxa
- Species: Syzygospora bachmannii Diederich & M.S. Christ.
- Remark: see: Zyzygomyces bachmannii (Diederich & M. S. Christ.) Diederich, Millanes & Wedin
- Fungus type: lichenicolous
- Treatment in Estonia: synonym
- Species: Syzygospora physciacearum Diederich
- Remark: see: Zyzygomyces physciacearum (Diederich) Diederich, Millanes & Wedin
- Fungus type: lichenicolous
- Treatment in Estonia: synonym
- Species: Taeniolella beschiana Diederich
- Remark: see: Talpapellis beschiana (Diederich) Zhurb., U. Braun, Diederich & Heuchert
- Fungus type: lichenicolous
- Treatment in Estonia: synonym
- Species: Taeniolella cladinicola Alstrup
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Taeniolella delicata M.S. Christ. & D. Hawksw.
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Taeniolella pertusariicola D. Hawksw. & H. Mayrhofer
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Taeniolella phaeophysciae D. Hawksw.
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Taeniolella punctata M S. Christ. & D. Hawksw.
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Taeniolella trapeliopseos Diederich
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Telogalla olivieri (Vouaux) Nik. Hoffm. & Hafellner
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Tephromela atra (Huds.) Hafellner ex Kalb
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- must tuhksamblik
- Species: Thelidium decipiens (Nyl.) Kremp.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelidium incavatum Mudd
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelidium minutulum Körb.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelidium pyrenophorum (Ach.) Mudd
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelidium zwackhii (Hepp) A. Massal.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelocarpon epibolum Nyl.
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Thelocarpon impressellum Nyl.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelocarpon laureri (Flot.) Nyl.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelocarpon lichenicola (Fuckel) Poelt & Hafellner
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Thelomma ocellatum (Körb.) Tibell
- Remark: see: Pseudothelomma ocellatum
- Fungus type: lichenized
- Treatment in Estonia: synonym
- Species: Thelopsis flaveola Arnold
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thelotrema lepadinum (Ach.) Ach.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- harilik koobassamblik
- Species: Thelotrema suecicum (H. Magn.) P. James
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Thrombium epigaeum (Pers.) Wallr.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: doubtful