Genus: Polychalca Chevrolat, 1836
Polychalca Chevrolat in Dejean, 1836: 368, 1837: 392 (type species: Cassida punctatissima Wolf, 1818 = C. variolosa Weber, 1801 nec Olivier, 1790, designated by Duponchel and Chevrolat in D'Orbigny, 1843: 211); Chevrolat, 1842: 285; Blackwelder, 1946: 735; Hincks, 1952: 332; Monros and Bechyne, 1956: 1136; Viana, 1964 a: 19, 78; Seeno and Wilcox, 1982: 172; Borowiec, 1999 d: 57.
Polycalca [sic]: Takizawa, 1980: 46.
Phalantha Gistl, 1848: 123 (type species ?), 1851: 123.
Desmonota Hope, 1840: 97 (type species: Cassida platynota Germar, 1824, by original designation); Boheman, 1850: 137 (part); 1862: 61 (part); Chapuis, 1875: 374 (as subgenus of Tauroma); Gemminger and Harold, 1876: 3625; Weise, 1900: 460; Spaeth, 1913 b: 128; 1914 g: 23; 1942 b: 15; Maulik, 1916: 578; Viana, 1964 a: 20, 81; Seeno and Wilcox, 1982: 172 (as subgenus of Polychalca), subgenus.
Desmonata [sic]: Hincks, 1952: 332 (as subgenus of Polychalca).
Pilidionota Spaeth, 1913 b: 128 (type species: Cassida variolosa Fabricius, 1801, by original designation), 1914 g: 23 (as subgenus of Desmonota); Hincks, 1952: 332 (as syn. of Polychalca).
Muzonia Spaeth, 1913 b: 130 (type species: Cassida nigroaenea Boheman, 1856, by monotypy), 1914 g: 24; Hincks, 1952: 332 (as syn. of Polychalca Chevrolat).
Species (12, species with colour photos marked with an asterisk):
Subgenus: Polychalca s. str. (7):
Subgenus: Desmonota (5):