The Viruses
   The RNA Viruses
     The Negative Stranded ssRNA Viruses
       Order Mononegavirales
         Family Paramyxoviridae
           Subfamily Paramyxovirinae see Family Paramyxoviridae
             Genus Morbillivirus
               1 Canine distemper virus
               2 [Cetacean morbillivirus]
               3 Measles virusᵀ
               4 Peste-des-petits-ruminants virus
               5 Phocine distemper virus
               6 Rinderpest virus