living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Nemertea Schultze, 1851 - ribbon worms
           Class Enopla Schultze, 1851
             Order Hoplonemertea Hubrecht, 1879
               Suborder Monostilifera Brinkmann, 1917
                 Family Carcinonemertidae Sumner, Osburn & Cole, 1913
                   Genus Carcinonemertes Coe, 1902
                     1 Carcinonemertes carcinophila (Kölliker, 1845)
                     2 Carcinonemertes epialti Coe, 1902
                     3 Carcinonemertes mitsukurii Takakura, 1910
                     4 Carcinonemertes coei Humes, 1942
                     5 Carcinonemertes errans Wickham, 1978