Psilaxis

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

Species
Species within the genus Psilaxis include:
 * Psilaxis clertoni Tenório, Barros, Francisco & Silva, 2011
 * Psilaxis krebsii (Mörch, 1875)
 * Psilaxis oxytropis (A. Adams, 1855)
 * Psilaxis radiatus (Röding, 1798)