Genus: Strongylocassis Hincks, 1950
Strongylaspis Spaeth, 1936 a: 216 (type species: Cassida atripes Le Conte, 1859, by monotypy = Coptocycla bisignata sensu Hincks, 1950); Sanderson and King, 1951: 126 (as syn. of Metriona), not Strongylaspis Thompson, 1860.
Strongylocassis Hincks, 1950: 511 (new name for Strongylaspis Spaeth, 1936 not Thompson, 1860); Hincks, 1952: 341; Seeno and Wilcox, 1982: 179 (as syn. of Metriona); Riley, 1985: 54, 1986: 108; Borowiec, 1999 d: 412.
Species (1, species with colour photos marked with an asterisk):