fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
     Catostomoidei
     Cobitoidei
       Balitoridae
       Barbuccidae
       Botiidae
       Cobitidae
       Ellopostomatidae
       Gastromyzontidae
       Nemacheilidae
         Aborichthys
         Acanthocobitis
         Afronemacheilus
         Barbatula
           barbatula
             cave
         Barbucca
         Claea
         Draconectes
         Dzihunia
         Eidinemacheilus
         Hedinichthys
         Heminoemacheilus
         Homatula
         Ilamnemacheilus
         Indoreonectes
         Indotriplophysa
         Iskandaria
         Koima
         Lefua
         Longischistura
         Mesonoemacheilus
         Metaschistura
         Micronemacheilus
         Nemacheilus
         Nemachilichthys
         Neonoemacheilus
         Oreonectes
         Oxynoemacheilus
         Paracanthocobitis
         Paracobitis
         Paranemachilus
         Paraschistura
         Physoschistura
         Protonemacheilus
         Pteronemacheilus
         Rhyacoschistura
         Sasanidus
         Schistura
         Sectoria
         Seminemacheilus
         Serpenticobitis
         Speonectes
         Sphaerophysa
         Sundoreonectes
         Traccatichthys
         Triplophysa
         Troglocobitis
         Troglonectes
         Tuberoschistura
         Turcinoemacheilus
         Yunnanilus
       Serpenticobitidae
       Vaillantellidae
     Cyprinoidei
     Gyrinocheiloidei
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc