title: Omphalotrochidae
text: # Omphalotrochidae
  
  Omphalotrochidae is an extinct taxonomic family of Paleozoic molluscs (gastropods?) with anisostrophically coiled shells of uncertain position (Gastropoda?) (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
  
  ## Taxonomy
  
  The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 places Omphalotrochidae in the superfamilia Euomphaloidea within the Paleozoic molluscs with anisostrophically coiled shells of uncertain position (Gastropoda?). This family has no subfamilies.
  
  ## Genera
  
  Genera in the family Omphalotrochidae include:
  
  * Omphalotrochus Meek, 1864 - type genus of the family Omphalotrochidae
  