- Koellikeria benedenii (Monticelli, 1893) MacCallum & MacCallum, 1916 accepted as Nematobothrium benedenii (Monticelli, 1893) Maclaren, 1904
- Koellikeria bipartita (Wedl, 1855) accepted as Wedlia bipartita (Wedl, 1855) Cobbold, 1860
- Koellikeria exocoeti (Parona & Perugia, 1893) MacCallum & MacCallum, 1916 (uncertain > taxon inquirendum)
- Koellikeria filicollis (Rudolphi, 1819) Cobbold, 1860
- Koellikeria micropterygis (Richiardi, 1901) MacCallum & MacCallum, 1916
- Koellikeria okenii (Koelliker, 1847) Ariola, 1906 accepted as Koellikeria filicollis (Rudolphi, 1819) Cobbold, 1860
- Tricharrhen okenii (Koelliker, 1847) Poche, 1926 accepted as Koellikeria okenii (Koelliker, 1847) Ariola, 1906 accepted as Koellikeria filicollis (Rudolphi, 1819) Cobbold, 1860