Cara Santa Maria@CaraSantaMaria• over 4 years ago

These prehistoric sharks had jaws shaped like circular saws and sawtoothed scissors. 😲 @Laelaps explains! Image by Gary Staab #Sharks #PrehistoricSharks #Jaws #SawTeeth #SharkTeeth https://t.co/l2wUDV5wY7 https://t.co/SYzAZaXV5G