Diacyclops crassicaudis (G. O. Sars, 1863)

Diacyclops crassicaudis brachycercus (Kiefer, 1927)

Diacyclops crassicaudis cosana Stella & Baschieri Salvadori, 1957

Diacyclops crassicaudis cosanus Stella & Salvadori, 1954

Diacyclops crassicaudis crassicaudis (G. O. Sars, 1863)

Diacyclops crassicaudis cretensis (Kiefer, 1928)

Diacyclops crassicaudis fontinalis Pesce & Galassi, 1987

Diacyclops crassicaudis lagrecai Pesce & Galassi, 1987

Diacyclops crassicaudis taipehensis (Harada, 1931)