Atalosparganum Ishii, 1935 accepted as Atalostrophion MacCallum, 1915 (original description)
Benedenozoum Ishii, 1935 accepted as Nematobothrium van Beneden, 1858 (original description)
Didymocylindrus Ishii, 1935 (original description)
Didymocylindrus filiformis Ishii, 1935 (original description)
Didymocystis bilobata Ishii, 1935 (original description)
Didymocystis crassa Ishii, 1935 (original description)
Didymocystis katsuwonicola (Okada, 1926) Ishii, 1935 accepted as Didymosulcus katsuwonicola (Okada, 1926) Pozdnyakov, 1990 (new combination reference)
Didymocystis katsuwonicola (Okada, 1926) Ishii, 1935 accepted as Didymosulcus katsuwonicola (Okada, 1926) Pozdnyakov, 1990 (redescription)
Didymocystis ovata Ishii, 1935 (original description)
Didymocystis semiglobularis Ishii, 1935 (original description)
Didymocystis simplex Ishii, 1935 accepted as Didymocylindrus simplex (Ishii, 1935) Yamaguti, 1970 (original description)
Didymocystis soleiformis Ishii, 1935 accepted as Didymosulcus soleiformis (Ishii, 1935) (original description)
Didymocystis wedli Ariola, 1902 accepted as Didymosulcus wedli (Ariola, 1902) (redescription)
Didymoproblema Ishii, 1935 accepted as Didymocylindrus Ishii, 1935 (original description)
Didymoproblema fusiforme Ishii, 1935 accepted as Didymocylindrus fusiformis (Ishii, 1935) Pozdnyakov, 1966 (original description)
Didymozoon filicolle Ishii, 1935 (original description)
Didymozoon longicolle Ishii, 1935 (original description)
Didymozoum Ishii, 1935 accepted as Didymozoon Taschenberg, 1879 (original description)
Gonapodasmiinae Ishii, 1935 (original description)
Gonapodasmius Ishii, 1935 (original description)
Gonapodasmius haemuli (MacCallum & MacCallum, 1916) Ishii, 1935 (new combination reference)
Gonapodasmius okushimai Ishii, 1935 accepted as Paragonapodasmius okushimae (Ishii, 1935) Pozdnyakov, 1994 (original description)
Katsuwonus vagans (Lesson, 1829) accepted as Katsuwonus pelamis (Linnaeus, 1758) (basis of record)
Koellikeria (Wedlia) globosa Ishii, 1935 accepted as Wedlia globosa Ishii, 1935 (original description)
Koellikeria (Wedlia) reniformis Ishii, 1935 accepted as Wedlia reniformis Ishii, 1935 (original description)
Koellikerizoum Ishii, 1935 accepted as Koellikeria Cobbold, 1860 (original description)
Lobatozoum Ishii, 1935 (original description)
Lobatozoum multisacculatum Ishii, 1935 (original description)
Maccallozoum Ishii, 1935 (original description)
Maccallozoum epinepheli (MacCallum, 1917) Ishii, 1935 (new combination reference)
Nematobothriinae Ishii, 1935 (original description)
Nematobothrium (Maclarenozoum) Ishii, 1935 accepted as Nematobothrium van Beneden, 1858 (original description)
Nematobothrium pelamydis (Taschenberg, 1879) Ishii, 1935 accepted as Unitubulotestis pelamydis (Taschenburg, 1879) Nikolaeva, 1980 (new combination reference)
Nematobothrium sabae Ishii, 1935 accepted as Nematobothrium filiforme Yamaguti, 1934 (original description)
Nematobothrium scombri (Taschenberg, 1879) Ishii, 1935 (new combination reference)

Italian Exclusive Economic Zone for Didymocystis wedli Ariola, 1902 
Japanese Exclusive Economic Zone for Didymocylindrus filiformis Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis bilobata Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis crassa Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis katsuwonicola (Okada, 1926) Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis ovata Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis semiglobularis Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis simplex Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis soleiformis Ishii, 1935 
Japanese Exclusive Economic Zone for Didymocystis wedli Ariola, 1902 
Japanese Exclusive Economic Zone for Didymoproblema fusiforme Ishii, 1935 
Japanese Exclusive Economic Zone for Didymozoon filicolle Ishii, 1935 
Japanese Exclusive Economic Zone for Didymozoon longicolle Ishii, 1935 
Japanese Exclusive Economic Zone for Gonapodasmius okushimai Ishii, 1935 
Japanese Exclusive Economic Zone for Koellikeria (Wedlia) globosa Ishii, 1935 
Japanese Exclusive Economic Zone for Koellikeria (Wedlia) reniformis Ishii, 1935 
Japanese Exclusive Economic Zone for Lobatozoum multisacculatum Ishii, 1935 
Japanese Exclusive Economic Zone for Nematobothrium sabae Ishii, 1935