- Ptychogonimus megastoma (Rudolphi, 1819) Lühe, 1900 accepted as Ptychogonimus megastomum (Rudolphi, 1819) Lühe, 1900
- Ptychogonimus megastomum (Rudolphi, 1819) Lühe, 1900
- Ptychogonimus megastomus (Rudolphi, 1819) Lühe, 1900 accepted as Ptychogonimus megastomum (Rudolphi, 1819) Lühe, 1900