NONIONOIDES Saidova, 1975
Type species: Nonionina grateloupi d'Orbigny, 1826 (*2303), p. 294: OD.
Nonionoides Saidova. 1975 (*2695), p. 248.Test slightly asymmetrical and weakly trochospiral, with evolute spiral side and nearly involute and deeply umbilicate opposite side, chambers of nearly constant height but increasing rapidly in breadth to result in an auriculate test outline, sutures slightly depressed, particularly in the umbilical region, gently curved, sides flattened. periphery rounded: wall calcareous, perforate, hyaline, optically granular, transparent, surface smooth, but with pustules or small spinules bordering the umbilical rim of the chambers, in the vicinity of the aperture; aperture a low interiomarginal and equatorial arch. Holocene: sublittoral region. Atlantic. Caribbean. Pacific.