title: Rhizoridae
text: # Rhizoridae
  
  Rhizoridae is a family of very small sea snails, barrel-bubble snails, marine opisthobranch gastropod mollusks. These are headshield slugs, in the superfamily Bulloidea.
  
  ## Genera
  
  Genera within the family Rhizoridae include:
  
  * Rhizorus Montfort, 1810
  * Volvulella Newton, 1891
  
  ### Genera brought into synonymy
  
  * Paravolvulella Harry, 1967: synonym of Volvulella Newton, 1891
  * Volvula A. Adams, 1850: synonym of Volvulella Newton, 1891
  