Solatisonax

Solatisonax is a genus of sea snails, marine gastropod mollusks in the family Architectonicidae, the staircase shells or sundials.

Species
According to the World Register of Marine Species, the following species are included in the genus Solatisonax:
 * Solatisonax acutecarinata (Thiele, 1925)
 * Solatisonax alleryi (Seguenza G., 1876)
 * Solatisonax atkinsoni (E. A. Smith, 1891)
 * Solatisonax borealis (Verrill & Smith in Verrill, 1880)
 * Solatisonax cabrali Tenório, Barros, Francisco & Silva, 2011
 * Solatisonax certesi (Dautzenberg & H. Fischer, 1896)
 * Solatisonax contexta (G. Seguenza, 1876)
 * Solatisonax dollfusi (Dautzenberg & H. Fischer, 1896)
 * Solatisonax hemisphaerica (Seguenza, 1876)
 * Solatisonax injussa Iredale, 1931
 * Solatisonax kilburni Bieler, 1993
 * Solatisonax orba Bieler, 1993
 * Solatisonax propinqua Bieler, 1993
 * Solatisonax radialis (Dall, 1908)
 * Solatisonax rehderi Bieler, 1993
 * Solatisonax rudigerbieleri Tenório, Barros, Francisco & Silva, 2011
 * Solatisonax sigsbeei (Dall, 1889)
 * Solatisonax supraradiata (Martens, 1904)

Species brought into synonymy include:
 * Solatisonax bannocki (Melone & Taviani, 1980) : synonym of Solatisonax hemisphaerica (Seguenza, 1876)