Tachidiidae

Tachidiidae is a family of copepods belonging to the order Harpacticoida.

Genera:
 * Cithadius Bowman, 1972
 * Euterpina Norman, 1903
 * Geeopsis Huys, 1996
 * Microarthridion Lang, 1944
 * Neotachidius Shen & Tai, 1963
 * Sinotachidius Huys, Ohtsuka, Conroy-Dalton & Kikuchi, 2005
 * Tachidiinae Boeck, 1865
 * Tachidius Lilljeborg, 1853