After Šlechtová, Bohlen & Tan, 2007, and Kottelat, 2012

<==o Cobitoidei sensu Kottelat, 2012 (loach-like cypriniforms; kivennuoliaisensukuiset)
   |-- Catostomidae Cope, 1871 (suckers; imukarpit)
   `--o Cobitoidea sensu Kottelat, 2012
      |--o Gyrinocheilus Vaillant, 1902 [Gyrinocheilops Fowler, 1937] [Gyrinocheilidae Gill, 1905] (levänuoliaiset)
      |  |-- G. aymonieri (Tirant, 1883) [Psilorhynchus Aymonieri Tirant, 1883; Gyrinocheilus aumonieri; Gyrinocheilus kaznakovi Berg, 1906; Gyrinocheilus monchadskii Krasyukova & Gusev, 1987] (levänuoliainen; Chinese algae eater)
      |  |-- G. pennocki (Fowler, 1937) [Gyrinocheilops pennocki Fowler, 1937] (Spotted algae eater)
      |  `-- G. pustulosus Vaillant, 1902 (Borneo algae-eater; )
      `--+-- Botiidae Berg, 1940 (botiine loaches; loistonuoliaiset, botiat, “kirjonuoliaiset”)
         `--+--o Vaillantella Fowler, 1905 [Vaillantellidae Nalbant & Banarescu, 1977]
            |  |-- V. cinnamomea Kottelat, 1994
            |  |-- V. euepiptera (Vaillant, 1902) [Nemacheilus euepipterus Vaillant, 1902]
            |  `-- V. maassi Weber & de Beaufort, 1912
            `--+-- Cobitidae Swainson, 1838 (cobitine loaches; piikkinuoliaiset, “rantaneulat”)
               `--+--  Regan, 1911 [Nemacheilinae Regan, 1911; Adiposiidae Jordan, 1923; Lefuini Prokofiev, 2010; Yunnanilini Prokofiev, 2010; Triplophysini Prokofiev, 2010]
                  `--+?- Barbucca diabolica Roberts, 1989 [Barbuccidae Kottelat, 2012]
                     `--+--o Ellopostoma Vaillant, 1902 [Aperioptus] [Ellopostomatidae Bohlen & Šlechtová, 2009] [Ellopostomatinae Nalbant, 2002 (nomen nudum); Ellopostomatidae Bohlen & Šlechtová, 2009; Ellopostomatidae Chen, Lheknim & Mayden, 2009]
                        |  |-- E. megalomycter (Vaillant, 1902) [Aperioptus megalomycter (Vaillant, 1902]
                        |  `-- E. mystax Tan & Lim, 2002
                        `--+-- Gastromyzontidae
                           `--+--o Serpenticobitis Roberts, 1997 [Bangfaia Kottelat, 1998 (nomen nudum)] [Serpenticobitidae Kottelat, 2012]
                              |  |-- S. cingulata (Roberts, 1997)
                              |  |-- S. octozona Roberts, 1997
                              |  `-- S. zonata Kottelat, 1998
                              `-- Balitoridae Swainson, 1839 [Balitorinae Swainson, 1839; Homalopteraeformes Bleeker, 1860; Sinohomalopterini Chen, 1980] (perhosnuoliaiset)

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