• Species: Capronia peltigerae (Fuckel) D. Hawksw.
• Remark: see: Knufia peltigerae (Fuckel) Réblová & Unter.
• Fungus type: lichenicolous
• Treatment in Estonia: synonym

• Species: Carbonea vitellinaria (Nyl.) Hertel
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Catapyrenium cinereum (Pers.) Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• hall rähksamblik

• Species: Catapyrenium pilosellum Breuss
• Remark: see: Placidium pilosellum
• Fungus type: lichenized
• Treatment in Estonia: synonym
• karvane rähksamblik

• Species: Catapyrenium rufescens (Ach.) Breuss
• Remark: see: Placidium rufescens
• Fungus type: lichenized
• Treatment in Estonia: synonym extinct
• pruunikas rähksamblik

• Species: Catapyrenium squamulosum (Ach.) Breuss
• Remark: see: Placidium squamulosum
• Fungus type: lichenized
• Treatment in Estonia: synonym
• soomus-rähksamblik

• Species: Catillaria aphana (Nyl.) Coppins
• Remark: includes earlier misidentification of Catillaria cryptophila Th. Fr. & Almq.
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Catillaria chalybeia (Borrer) A. Massal.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Catillaria cryptophila Th. Fr. & Almq.
• Remark: excluded as misidentification: re-identified as Catillaria aphana
• Fungus type: lichenized
• Treatment in Estonia: misidentification

• Species: Catillaria lenticularis (Ach.) Th. Fr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species:
• Remark:
• Fungus type:
• Treatment in Estonia: