The Order Rajiformes contains these Families:

• 36. Pristidae [sawfishes]
• 37. Torpedinidae [electric rays]
• 38. Narcinidae [narcinid rays]
• 39. Rhinidae [rhinid rays]
• 40. Rhinobatidae [guitarfishes]
• 41. Rajidae [skates]
• 42. Plesiobatidae [deepwater stingray]
• 43. Hexatrydonidae [sixgill stingray]
• 44. Dasyatidae [stingrays]
• 45. Urolophidae [round stingrays]
• 46. Gymnuridae [butterfly rays]
• 47. Myliobatididae [eagle rays]