Cacosternum

Cacosternum is a genus of frog in the family Pyxicephalidae that are found in southern and eastern Africa. They have many common names, including cacos, dainty frogs, and metal frogs.

Species
The genus contains 16 species:
 * Cacosternum aggestum Channing, Schmitz, Burger, and Kielgast, 2013
 * Cacosternum australis Channing, Schmitz, Burger, and Kielgast, 2013
 * Cacosternum boettgeri (Boulenger, 1882) – Boettger's dainty frog
 * Cacosternum capense Hewitt, 1925 – Cape caco
 * Cacosternum karooicum Boycott, de Villiers, and Scott, 2002 – Karoo dainty frog
 * Cacosternum kinangopensis Channing and Schmitz, 2009
 * Cacosternum leleupi Laurent, 1950 – Katanga caco
 * Cacosternum namaquense Werner, 1910 – Namaqua caco
 * Cacosternum nanogularum Channing, Schmitz, Burger, and Kielgast, 2013
 * Cacosternum nanum Boulenger, 1887 – bronze caco
 * Cacosternum parvum Poynton, 1963 – mountain caco
 * Cacosternum platys Rose, 1950 – flat caco
 * Cacosternum plimptoni Channing, Brun, Burger, Febvre, and Moyer, 2005
 * Cacosternum rhythmum Channing, Schmidtz, Burger, and Kielgast, 2013
 * Cacosternum striatum FitzSimons, 1947 – striped caco
 * Cacosternum thorini Conradie, 2014

Cacosternum poyntoni, Poynton's caco, is now considered a synonym of Cacosternum nanum.