Ittibittium

Ittibittium is a genus of very small sea snails, marine gastropod mollusks in the family Cerithiidae.

Species
Species within the genus Ittibittium include:
 * Ittibittium houbricki (Ponder, 1993)
 * Ittibittium oryza (Mörch, 1876)
 * Ittibittium parcum (Gould, 1861)
 * Species brought into synonymy:
 * Ittibittium nipponkaiense (Habe & Masuda, 1990) : synonym of Ittibittium parcum (Gould, 1861)
 * Ittibittium turricula (Usticke, 1969) : synonym of Ittibittium oryza (Mörch, 1876)
 * Ittibittium turriculum [sic] accepted as Ittibittium turricula (Usticke, 1969): synonym of Ittibittium oryza (Mörch, 1876) (misspelling)