Halvorsenius exilis Gibson, MacKenzie & Cottle, 1981
Metanematobothrium guernei (Moniez, 1891) Yamaguti, 1938
Nematobothrium benedenii (Monticelli, 1893) Maclaren, 1904 (uncertain > taxon inquirendum )
Nematobothrium faciale (Baylis, 1938) Skrjabin, 1955 accepted as Didymodiclinus facialis (Baylis, 1938) Pozdnyakov, 1996
Nematobothrium filarina Van Beneden, 1858
Nematobothrium filiforme Yamaguti, 1934
Nematobothrium latum Guiart, 1938
Nematobothrium molae Maclaren, 1904
Nematobothrium robustum Yamaguti, 1970
Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935
Unitubulotestis pelamydis (Taschenburg, 1879) Nikolaeva, 1980