Chordodidae

Chordodidae is a family of parasitic horsehair worms belonging to the order Gordioidea; its taxonomy is under review.

Genera
Two subfamilies are currently recognised; unless referenced otherwise, the Global Biodiversity Information Facility includes the following genera:

Chordodinae
Auth. Heinze, 1935
 * 1) Chordodes Creplin, 1847
 * 2) Dacochordodes Capuse, 1965
 * 3) Euchordodes Heinze, 1937
 * 4) Lanochordodes Kirjanova, 1950
 * 5) Neochordodes Carvalho, 1942
 * 6) Noteochordodes Miralles and Villalobos, 2000
 * 7) Pantachordodes Heinze, 1954
 * 8) Pseudochordodes Carvalho, 1942
 * 9) Spinochordodes Kirjanova, 1950

Paragordiinae

 * 1) Digordius Kirjanova, 1950
 * 2) Paragordius Camerano, 1897
 * 3) Progordius Kirjanova, 1950
 * 4) Pseudogordius Yeh and Jordan, 1957

incertae sedis

 * 1) Beatogordius Heinze, 1934
 * 2) †Cretachordodes Poinar & Buckley, 2006
 * 3) Gordionus Müller, 1927
 * 4) Parachordodes Camerano, 1897
 * 5) Paragordionus Heinze, 1935
 * 6) Semigordionus Heinze, 1952