title: Turbinelloidea
text: # Turbinelloidea
  
  Turbinelloidea is a superfamily of sea snails in the order Neogastropoda. It comprises the following families:
  
  * Columbariidae Tomlin, 1928
  * Costellariidae MacDonald, 1860
  * Ptychatractidae Stimpson, 1865
  * Turbinellidae Swainson, 1835
  * Volutomitridae Gray, 1854
  
  ## Families brought into synonymy
  
  * Cynodontidae MacDonald, 1860: synonym of Vasinae H. Adams & A. Adams, 1853 (1840)
  * Vasidae H. Adams & A. Adams, 1853: synonym of Turbinellidae Swainson, 1835
  * Vexillidae Thiele, 1929: synonym of Costellariidae MacDonald, 1860
  * Xancidae Pilsbry, 1922: synonym of Turbinellidae Swainson, 1835
  