Nodiscala

Nodiscala is a taxonomic genus of small sea snails, marine gastropod mollusks in the family Epitoniidae, the wentletraps.

This genus has become a synonym of Opalia H. Adams & A. Adams, 1853

Species
Species within the genus Nodiscala include:
 * Nodiscala ahiparana (Powell, 1930) : synonym of Opalia ahiparana (Powell, 1930)
 * Nodiscala attenuata (Pease, 1861) : synonym of Opalia bicarinata (G. B. Sowerby II, 1844)
 * Nodiscala bicarinata (Sowerby II, 1844-a) : synonym of Opalia bicarinata (G. B. Sowerby II, 1844)
 * Nodiscala gracilis Masahito, Kuroda & Habe in Kuroda et al., 1971 : synonym of Opalia bicarinata (G. B. Sowerby II, 1844)
 * Nodiscala japonica Okutani, 1964 : synonym of Opalia japonica (Okutani, 1964)
 * Nodiscala matajiroi Kuroda, 1954 : synonym of Opalia matajiroi (Kuroda, 1954)
 * Nodiscala monovaricosa Kuroda & Habe in Habe, 1961-a : synonym of Opalia monovaricosa (Kuroda & Habe, 1961)
 * Nodiscala mormulaeformis Masahito, Kuroda & Habe in Kuroda et al., 1971 : synonym of Opalia mormulaeformis (Masahito, Kuroda & Habe, 1971)
 * Nodiscala spongiosa (Carpenter, 1864) - spongy wentletrap : synonym of Opalia spongiosa Carpenter, 1864
 * Nodiscala zelandica Finlay, 1930 : synonym of Opalia zelandica (Finlay, 1930)