A post by Tony on STH teeth a while back peaked my interest in extant sawfish rostral teeth.  The two extant sawfish genera are Pristis and Anoxypristis.   There is only a single extant Anoxypristis species, Anoxypristis cuspidata (Knifetooth or Narrow Sawfish).   There are 4 extant species of Pristis, Pristis clavata (Dwarf Sawfish), Pristis pectinata (Smalltooth Sawfish), Pristis pristis (Largetooth Sawfish), and Pristis zijsron (Green Sawfish) Last 2016.  This post is about a Pristis pristis