sentences:  Posttornoceratinae
  
  Posttornoceratinae is one of two subfamilies of the Posttornoceratidae family, a member of the Goniatitida order.They are an extinct group of ammonoid, which are shelled cephalopods related to squids, belemnites, octopuses and cuttlefish, and more distantly to the nautiloids.