Species (8)
- Christiansenia effibulata Ginns & Sunhede 1978
- Christiansenia mycophaga (M.P. Christ.) Boidin 1970
- Christiansenia pallida Hauerslev 1969
- Christiansenia tumefaciens Ginns & Sunhede 1978
- Syzygospora tumefaciens (Ginns & Sunhede) Ginns 1986
- Syzygospora pallida (Hauerslev) Ginns 1986
- Carcinomyces effibulata (Ginns & Sunhede) Oberw. & Bandoni 1982
- Syzygospora mycophaga (M.P. Christ.) Hauerslev 1996