Main  features  of  the  family : 

Turbinate  or  top - shaped  shells  with  a  rounded  aperture,  nacreous  within.  
Operculum  calcareous  with  a  corneous  layer  on  the  inner  surface;  outer  surface  
of  the  operculum  smooth  or  showing  ridges  and / or  granules.

4  species  of  turban  shells  have  a  verified  occurrence  in  the  Galápagos  Islands.

List  of  genera  and  species  known  from  the  Galápagos

ARENE        ( 2 species )

       Arene  echinata  McLean, 1970

       Arene  guttata  McLean, 1970

TURBO        ( 1 species )

       Turbo  scitulus  (Dall, 1919)

EULITHIDIUM        ( 1 species )

       Eulithidium  diantha  (McLean, 1970)