Cassidinoma Hincks, 1950
Cassidinoma Hincks, 1950: 508 (replacement name for Oma Spaeth, 1913 not Omma Newman, 1839), 1952: 333; Viana, 1964: 47, 128; Seeno & Wilcox, 1982: 173; Borowiec, 1999: 40.
Oma Spaeth, 1913: 128 (type species: Desmonota denticulata Boheman, 1850 designated by Hincks, 1950: 509; not Omma Newman, 1839), 1914: 22.
Diagnosis. According to Viana (1964), Cassidinoma differs from other genera of Omocerini by the presence of subglabrous and shiny antennomeres I–V, and the VI shinier, thinner and longer than V. Prosternal process subglabrous, shiny, coarsely punctuated; without apical or lateral prolongation. Surface of elytra granulated; central gibbous high and prominent, with a pair of large tubercles; lateral margin crenulated with regular small denticles.