Genus: Gratiana Spaeth, 1913
Gratiana Spaeth, 1913 b: 142 (type species: Cassida spadicea Klug, 1829, by original designation), 1914 g: 121; Hincks, 1952: 341; Seeno and Wilcox, 1982: 178; Riley, 1986: 104; Borowiec, 1999 d: 374.
Nuzonia: Balsbaugh and Hays, 1972: 194, not Spaeth, 1912.
Species (7, species with colour photos marked with an asterisk):