- Petersenia andreei (Lagerheim) Sparrow, 1936 accepted as Sirolpidium andreei (Lagerh.) M.W. Dick, 2001
- Petersenia lobata (Petersen) Sparrow, 1934
- Petersenia pollagaster (Petersen) Sparrow, 1943
- Pontisma inhabile (H.E. Petersen) M.W. Dick, 2001
- Pontisma lagenidioides Petersen, 1905
- Sirolpidium andreei (Lagerh.) M.W. Dick, 2001
- Sirolpidium bryopsidis (de Bruyne) H.E. Petersen, 1905
- Sirolpidium lagenidioides (Petersen) Karling, 1942 accepted as Pontisma lagenidioides Petersen, 1905