Species (35)
- Cosmospora leptosphaeriae (Niessl) Rossman & Samuels 1999
- Cosmospora berkeleyana (P. Karst.) Gräfenhan, Seifert & Schroers 2011
- Cosmospora butyri (J.F.H. Beyma) Gräfenhan, Seifert & Schroers 2011
- Cosmospora chlorina (P. Crouan & H. Crouan) Lowen 1999
- Cosmospora coccinea Rabenh. 1862
- Cosmospora digitalicola (P. Crouan & H. Crouan) Lowen 1999
- Cosmospora episphaeria (Tode) Rossman & Samuels 1999
- Cosmospora magnusiana (Rehm) Rossman & Samuels 1999
- Cosmospora arxii (W. Gams) Gräfenhan & Schroers 2011
- Cosmospora flavoviridis (Fuckel) Rossman & Samuels 1999
- Cosmospora jucundula (Sacc. & Speg.) Rossman & Samuels 1999
- Cosmospora purtonii (Grev.) Rossman & Samuels 1999
- Cosmospora stegonsporii Rossman, D.F. Farr & Akulov 2008
- Cosmospora rishbethii (C. Booth) Rossman & Samuels 1999
- Cosmospora stilbosporae (Tul. & C. Tul.) Rossman & Samuels 1999
- Cosmospora vilior (Starbäck) Rossman & Samuels 1999
- Cosmospora wegeliniana (Rehm) Rossman & Samuels 1999
- Macroconia leptosphaeriae (Niessl) Gräfenhan & Schroers 2011
- Stylonectria wegeliniana (Rehm) Gräfenhan, Voglmayr & Jaklitsch 2011
- Acremonium butyri (J.F.H. Beyma) W. Gams 1971
- Nectria cosmariospora Ces. & De Not. 1863
- Nectria flavoviridis (Fuckel) Wollenw. 1926
- Nectria episphaeria (Tode : Fr.) Fr. 1846
- Dialonectria episphaeria (Tode) Cooke 1884
- Acremonium arxii W. Gams 1971
- Dialonectria cosmariospora (Ces. & De Not.) Cooke 1884
- Nectria magnusiana Rehm 1878
- Sphaeria episphaeria Tode 1791
- Nectria rishbethii C. Booth 1959
- Nectria vilior Starbäck 1899
- Nectria viridescens C. Booth 1959