Fam. Microthoracidae Wrzesniowski, 1870

- Drepanomonas Fresenius, 1858
- Hemicyclium Eberhard, 1862 [syn. of Microthorax]
- Leptopharynx Mermod, 1914
- Microthorax Engelmann, 1862
- Stammeridium Wenzel, 1969
- Trochiliopsis Penard, 1922

Incertae sedis in Family Microthoracidae

- Conchophrys Chatton, 1911
- Hexotricha Conn in Conn & Edmondson, 1918