Nihonia

Nihonia is a genus of sea snails, marine gastropod mollusks in the family Cochlespiridae.

Species
Species within the genus Nihonia include:
 * Nihonia australis (Roissy, 1805)
 * Nihonia circumstricta (Martens, 1901)
 * Nihonia maxima Sysoev, 1997
 * Nihonia mirabilis (Sowerby III, 1914)


 * Extinct species:
 * † Nihonia birmanica (Vredenburg, 1921)
 * † Nihonia pervirgo (Yokoyaina, 1928)
 * † Nihonia shimajiriensis MacNeil, 1960 . Type species from the Miocene of Okinawa.
 * † Nihonia santosi Sbuto, 1969
 * † Nihonia soyomaruae (Otuka, 1959)
 * † Nihonia sucabumiana (K. Martin, 1895)