[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;35p;34c;158o;1359f;4704g;2825s;11ss
   Pisces
  Count: [*] 3c;45o;226f;705g;1351s
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
    Count: [*] 33o;194f;635g;1201s
       Order Anguilliformes Berg, 1943 - eels
      Count: [*] 12f;37g;48s
         Family Ophichthidae Günther, 1870 - snake eels and worm eels
        Count: [*] 6g;8s
           1 Genus Apterichtus Duméril, 1805
          Count: [*] 2s
           2 Genus Dalophis Rafinesque, 1810
          Count: [*] 1s
           3 Genus Echelus Rafinesque, 1810
          Count: [*] 1s
           4 Genus Ophichthus Ahl, 1789
          Count: [*] 2s
           5 Genus Ophisurus Lacepède, 1800
          Count: [*] 1s
           6 Genus Pisodonophis Kaup, 1856
          Count: [*] 1s