1. Subgenus Chaetonotus (Captochaetus) Kisielewski, 1997
   1. Species Chaetonotus (Captochaetus) arethusae Balsamo & Todaro, 1995
   2. Species Chaetonotus (Captochaetus) gastrocyaneus Brunson, 1950
   3. Species Chaetonotus (Captochaetus) insigniformis Greuter, 1917
   4. Species Chaetonotus (Captochaetus) jakubskii Roszczak, 1935
   5. Species Chaetonotus (Captochaetus) majestuosus Grosso & Drahg, 1984
   6. Species Chaetonotus (Captochaetus) rafalskii Kisielewski, 1979
   7. Species Chaetonotus (Captochaetus) robustus Davison, 1938
   8. Species Chaetonotus (Captochaetus) segnis Martin, 1981
   9. Species Chaetonotus (Captochaetus) simrothi Voigt, 1909
   10. Species Chaetonotus (Captochaetus) tricuspidatus Schwank, 1990
   11. Species Chaetonotus (Captochaetus) vorax Remane, 1936
2. Subgenus Chaetonotus (Chaetonotus) Erhenberg, 1838
   1. Species Chaetonotus (Chaetonotus) aculeatus Robbins, 1965
   2. Species Chaetonotus (Chaetonotus) aegilonensis Balsamo, Todaro & Tongiorgi, 1992
   3. Species Chaetonotus (Chaetonotus) africanus Schwank, 1990
   4. Species Chaetonotus (Chaetonotus) alatus Schwank, 1990
   5. Species Chaetonotus (Chaetonotus) alni Nesteruk, 1991
   6. Species Chaetonotus (Chaetonotus) angustus Schrom, 1972
   7. Species Chaetonotus (Chaetonotus) antrumus Kolicka, 2017
   8. Species Chaetonotus (Chaetonotus) apechochaetus Hummon, Balsamo & Todaro, 1992
   9. Species Chaetonotus (Chaetonotus) australiensis Schwank, 1990
   10. Species Chaetonotus (Chaetonotus) beauchampi d'Hondt, 1967
   11. Species Chaetonotus (Chaetonotus) benacensis Balsamo & Fregni, 1995
   12. Species Chaetonotus (Chaetonotus) bifidispinosus Tretyakova, 1991
   13. Species Chaetonotus (Chaetonotus) bombardus Kolicka, Kotwicki & Dabert, 2018
   14. Species Chaetonotus (Chaetonotus) brasiliensis Schwank, 1990
   15. Species Chaetonotus (Chaetonotus) breviacanthus Kisielewski, 1991
   16. Species Chaetonotus (Chaetonotus) brevisetosus Roszczak, 1935
   17. Species Chaetonotus (Chaetonotus) brevispinosus Zelinka, 1889
   18. Species Chaetonotus (Chaetonotus) christianus Schwank, 1990
   19. Species Chaetonotus (Chaetonotus) condensus Mock, 1979
   20. Species Chaetonotus (Chaetonotus) corderoi Schwank, 1990
   21. Species Chaetonotus (Chaetonotus) dadayi Schwank, 1990
   22. Species Chaetonotus (Chaetonotus) daphnes Balsamo & Todaro, 1995
   23. Species Chaetonotus (Chaetonotus) disjunctus Greuter, 1917
   24. Species Chaetonotus (Chaetonotus) dybowskii Jakubski, 1919
   25. Species Chaetonotus (Chaetonotus) elegans Konsuloff, 1921
   26. Species Chaetonotus (Chaetonotus) eximius Kolicka, Kisielewski, Nesteruk & Zawierucha, 2013
   27. Species Chaetonotus (Chaetonotus) fluviatilis Balsamo & Kisielewski, 1986
   28. Species Chaetonotus (Chaetonotus) formosus Stokes, 1887
   29. Species Chaetonotus (Chaetonotus) furcatus Kisielewski, 1991
   30. Species Chaetonotus (Chaetonotus) furculatus Schwank, 1990 [sensu Schwank & Kånneby, 2014]
   31. Species Chaetonotus (Chaetonotus) gelidus Kolicka, 2017
   32. Species Chaetonotus (Chaetonotus) greuteri Remane, 1927
   33. Species Chaetonotus (Chaetonotus) heterospinosus Balsamo, 1978
   34. Species Chaetonotus (Chaetonotus) hirsutus Marcolongo, 1910
   35. Species Chaetonotus (Chaetonotus) hoanicus Schwank, 1990
   36. Species Chaetonotus (Chaetonotus) ichthydioides Tongiorgi, Fregni & Balsamo, 1999
   37. Species Chaetonotus (Chaetonotus) illiesi Schwank, 1990
   38. Species Chaetonotus (Chaetonotus) intermedius Kisielewski, 1991
   39. Species Chaetonotus (Chaetonotus) invitatus Kolicka, 2019
   40. Species Chaetonotus (Chaetonotus) jaceki Kolicka, 2017
   41. Species Chaetonotus (Chaetonotus) laroides Marcolongo, 1910
   42. Species Chaetonotus (Chaetonotus) larus (Müller, 1773)
   43. Species Chaetonotus (Chaetonotus) linguaeformis Voigt, 1902
   44. Species Chaetonotus (Chaetonotus) lobo Kisielewski, 1991
   45. Species Chaetonotus (Chaetonotus) longisetosus Preobrajenskaja, 1926
   46. Species Chaetonotus (Chaetonotus) lunatospinosus Balsamo, 1981
   47. Species Chaetonotus (Chaetonotus) machikanensis Suzuki & Furuya, 2011
   48. Species Chaetonotus (Chaetonotus) magnificus Balsamo, Hummon, Todaro & Tongiorgi, 1997
   49. Species Chaetonotus (Chaetonotus) maximus Ehrenberg, 1838
   50. Species Chaetonotus (Chaetonotus) mediterraneus Balsamo, Hummon, Todaro & Tongiorgi, 1997
   51. Species Chaetonotus (Chaetonotus) microchaetus Preobrajenskaja, 1926
   52. Species Chaetonotus (Chaetonotus) minimus Marcolongo, 1910
   53. Species Chaetonotus (Chaetonotus) mitraformis Greuter, 1917
   54. Species Chaetonotus (Chaetonotus) multispinosus Grünspan, 1908
   55. Species Chaetonotus (Chaetonotus) naiadis Balsamo & Todaro, 1995
   56. Species Chaetonotus (Chaetonotus) napoleonicus Balsamo, Todaro & Tongiorgi, 1992
   57. Species Chaetonotus (Chaetonotus) oculatus Schwank, 1990
   58. Species Chaetonotus (Chaetonotus) oculifer Kisielewski, 1981
   59. Species Chaetonotus (Chaetonotus) odontopharynx Grosso & Drahg, 1986
   60. Species Chaetonotus (Chaetonotus) ontariensis Schwank, 1990 [sensu Schwank & Kånneby, 2014]
   61. Species Chaetonotus (Chaetonotus) oplites Balsamo, Fregni & Tongiorgi, 1994
   62. Species Chaetonotus (Chaetonotus) paluster d'Hondt, 1967
   63. Species Chaetonotus (Chaetonotus) parafurcatus Nesteruk, 1991
   64. Species Chaetonotus (Chaetonotus) paucisquamatus Kisielewski, 1991
   65. Species Chaetonotus (Chaetonotus) pawlowskii Kisielewski, 1984
   66. Species Chaetonotus (Chaetonotus) pilaga Grosso, 1982
   67. Species Chaetonotus (Chaetonotus) polyspinosus Greuter, 1917
   68. Species Chaetonotus (Chaetonotus) poznaniensis Kisielewski, 1981
   69. Species Chaetonotus (Chaetonotus) pratensis Schwank, 1990
   70. Species Chaetonotus (Chaetonotus) pravus Kolicka, Kisielewski, Nesteruk & Zawierucha, 2013
   71. Species Chaetonotus (Chaetonotus) pseudopolyspinosus Kisielewski, 1991
   72. Species Chaetonotus (Chaetonotus) puniceus Martin, 1990
   73. Species Chaetonotus (Chaetonotus) rarispinosus Roszczak, 1935
   74. Species Chaetonotus (Chaetonotus) remanei Schwank, 1990
   75. Species Chaetonotus (Chaetonotus) retiformis Suzuki & Furuya, 2011
   76. Species Chaetonotus (Chaetonotus) sanctipauli Kisielewski, 1991
   77. Species Chaetonotus (Chaetonotus) schoepferae Thane-Fenchel, 1970
   78. Species Chaetonotus (Chaetonotus) scutatus Saito, 1937
   79. Species Chaetonotus (Chaetonotus) semihamus Hummon, 2010
   80. Species Chaetonotus (Chaetonotus) siciliensis Hummon, Balsamo & Todaro, 1992
   81. Species Chaetonotus (Chaetonotus) silvaticus (Varga, 1963)
   82. Species Chaetonotus (Chaetonotus) similis Zelinka, 1889
   83. Species Chaetonotus (Chaetonotus) sphagnophilus Kisielewski, 1981
   84. Species Chaetonotus (Chaetonotus) splendidus Preobrajenskaja, 1926
   85. Species Chaetonotus (Chaetonotus) stagnalis d'Hondt, 1967
   86. Species Chaetonotus (Chaetonotus) subtilis Kolicka, Kotwicki & Dabert, 2018
   87. Species Chaetonotus (Chaetonotus) svalbardi Kolicka, 2017
   88. Species Chaetonotus (Chaetonotus) tempestivus Mock, 1979
   89. Species Chaetonotus (Chaetonotus) triacanthus Todaro, 1994
   90. Species Chaetonotus (Chaetonotus) triradiatus Rao, 1991
   91. Species Chaetonotus (Chaetonotus) vellosus Martin, 1990
   92. Species Chaetonotus (Chaetonotus) ventrochaetus Kisielewski, 1991
   93. Species Chaetonotus (Chaetonotus) venustus d'Hondt, 1967
   94. Species Chaetonotus (Chaetonotus) ocellatus Martin, 1981 accepted as Chaetonotus (Chaetonotus) oculifer Kisielewski, 1981 (synonym - see Martin, 1990, Schwank, 1990)
   95. Species Chaetonotus (Chaetonotus) brevis Erhenberg, 1838 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)
   96. Species Chaetonotus (Chaetonotus) vulgaris Brunson, 1950 (uncertain > taxon inquirendum)
3. Subgenus Chaetonotus (Hystricochaetonotus) Schwank, 1990
   1. Species Chaetonotus (Hystricochaetonotus) acanthophorus Stokes, 1888
   2. Species Chaetonotus (Hystricochaetonotus) aemilianus Balsamo, 1978
   3. Species Chaetonotus (Hystricochaetonotus) anomalus Brunson, 1950
   4. Species Chaetonotus (Hystricochaetonotus) arcanus Rataj Križanová & Vďačný, 2022
   5. Species Chaetonotus (Hystricochaetonotus) avarus Rataj Križanová & Vďačný, 2022
   6. Species Chaetonotus (Hystricochaetonotus) balsamoae Kisielewski, 1997
   7. Species Chaetonotus (Hystricochaetonotus) borealis Kolicka, Kotwicki & Dabert, 2018
   8. Species Chaetonotus (Hystricochaetonotus) decemsetosus Marcolongo, 1910
   9. Species Chaetonotus (Hystricochaetonotus) enormis Stokes, 1887
   10. Species Chaetonotus (Hystricochaetonotus) euhystrix Schwank, 1990
   11. Species Chaetonotus (Hystricochaetonotus) ferrarius Schwank, 1990
   12. Species Chaetonotus (Hystricochaetonotus) fujisanensis Sudzuki, 1971
   13. Species Chaetonotus (Hystricochaetonotus) gulosus Rataj Križanová & Vďačný, 2022
   14. Species Chaetonotus (Hystricochaetonotus) heterochaetus Daday, 1905
   15. Species Chaetonotus (Hystricochaetonotus) hornsundi Kolicka, Kotwicki & Dabert, 2018
   16. Species Chaetonotus (Hystricochaetonotus) horridus Kolicka, 2019
   17. Species Chaetonotus (Hystricochaetonotus) hystrix Metschnikoff, 1865
   18. Species Chaetonotus (Hystricochaetonotus) inaequabilis Kolicka, 2019
   19. Species Chaetonotus (Hystricochaetonotus) iratus Rataj Križanová & Vďačný, 2022
   20. Species Chaetonotus (Hystricochaetonotus) italicus Balsamo & Todaro, 1995
   21. Species Chaetonotus (Hystricochaetonotus) lacunosus Mock, 1979
   22. Species Chaetonotus (Hystricochaetonotus) longispinosus Stokes, 1887
   23. Species Chaetonotus (Hystricochaetonotus) lucksi Voigt, 1958
   24. Species Chaetonotus (Hystricochaetonotus) luxus Rataj Križanová & Vďačný, 2022
   25. Species Chaetonotus (Hystricochaetonotus) macrochaetus Zelinka, 1889
   26. Species Chaetonotus (Hystricochaetonotus) mirabilis Rataj Križanová & Vďačný, 2022
   27. Species Chaetonotus (Hystricochaetonotus) murrayi Remane, 1929
   28. Species Chaetonotus (Hystricochaetonotus) novenarius Greuter, 1917
   29. Species Chaetonotus (Hystricochaetonotus) octonarius Stokes, 1887
   30. Species Chaetonotus (Hystricochaetonotus) optabilis Rataj Križanová & Vďačný, 2022
   31. Species Chaetonotus (Hystricochaetonotus) paraguayensis Schwank, 1990
   32. Species Chaetonotus (Hystricochaetonotus) paucisetosus Marcolongo, 1910
   33. Species Chaetonotus (Hystricochaetonotus) persetosus Zelinka, 1889
   34. Species Chaetonotus (Hystricochaetonotus) persimilis Kolicka, Kotwicki & Dabert, 2018
   35. Species Chaetonotus (Hystricochaetonotus) polychaetus Daday, 1905
   36. Species Chaetonotus (Hystricochaetonotus) pungens Balsamo, 1990
   37. Species Chaetonotus (Hystricochaetonotus) quintospinosus Greuter, 1917
   38. Species Chaetonotus (Hystricochaetonotus) schlitzensis Schwank, 1990
   39. Species Chaetonotus (Hystricochaetonotus) slavicus Rataj Križanová & Vďačný, 2022
   40. Species Chaetonotus (Hystricochaetonotus) spinifer Stokes, 1887
   41. Species Chaetonotus (Hystricochaetonotus) spinulosus Stokes, 1887
   42. Species Chaetonotus (Hystricochaetonotus) superbus Rataj Križanová & Vďačný, 2022
   43. Species Chaetonotus (Hystricochaetonotus) trichodrymodes Brunson, 1950
   44. Species Chaetonotus (Hystricochaetonotus) trilineatus Valkanov, 1937
   45. Species Chaetonotus (Hystricochaetonotus) trispinosus Balsamo, 1990
   46. Species Chaetonotus (Hystricochaetonotus) vargai Rudescu, 1967
4. Subgenus Chaetonotus (Marinochaetus) Kisielewski, 1997
   1. Species Chaetonotus (Marinochaetus) aequispinosus Schrom, 1972
   2. Species Chaetonotus (Marinochaetus) antipai Rodewal, 1938
   3. Species Chaetonotus (Marinochaetus) apolemmus Hummon, Balsamo & Todaro, 1992
   4. Species Chaetonotus (Marinochaetus) chicous Hummon, 1974
   5. Species Chaetonotus (Marinochaetus) elachysomus Hummon, 2010
   6. Species Chaetonotus (Marinochaetus) eratus Hummon, 2010
   7. Species Chaetonotus (Marinochaetus) mariae Todaro, 1992
   8. Species Chaetonotus (Marinochaetus) oceanides d'Hondt, 1971
   9. Species Chaetonotus (Marinochaetus) oligohalinus Hummon, 1974
   10. Species Chaetonotus (Marinochaetus) polyhybus Hummon, 2010
   11. Species Chaetonotus (Marinochaetus) sagittarius Evans, 1992
5. Subgenus Chaetonotus (Primochaetus) Kisielewski, 1997
   1. Species Chaetonotus (Primochaetus) acanthocephalus Valkanov, 1937
   2. Species Chaetonotus (Primochaetus) acanthodes Stokes, 1887
   3. Species Chaetonotus (Primochaetus) annae Schwank, 1990 [sensu Schwank & Kånneby, 2014]
   4. Species Chaetonotus (Primochaetus) armatus Kisielewski, 1981
   5. Species Chaetonotus (Primochaetus) arquatus Voigt, 1903
   6. Species Chaetonotus (Primochaetus) brachyurus Balsamo, 1980
   7. Species Chaetonotus (Primochaetus) chuni Voigt, 1901
   8. Species Chaetonotus (Primochaetus) cordiformis Greuter, 1917
   9. Species Chaetonotus (Primochaetus) dubius Daday, 1905
   10. Species Chaetonotus (Primochaetus) erinaceus Daday, 1905
   11. Species Chaetonotus (Primochaetus) heideri Brehm, 1917
   12. Species Chaetonotus (Primochaetus) heteracanthus Remane, 1927
   13. Species Chaetonotus (Primochaetus) macrolepidotus Greuter, 1917
   14. Species Chaetonotus (Primochaetus) mutinensis Balsamo, 1978
   15. Species Chaetonotus (Primochaetus) ploenensis Voigt, 1909
   16. Species Chaetonotus (Primochaetus) rectaculeatus Kisielewska, 1981
   17. Species Chaetonotus (Primochaetus) rotundus Greuter, 1917
   18. Species Chaetonotus (Primochaetus) scoticus Schwank, 1990
   19. Species Chaetonotus (Primochaetus) scutulatus Martin, 1981
   20. Species Chaetonotus (Primochaetus) soberanus Grosso & Drahg, 1983
   21. Species Chaetonotus (Primochaetus) tenuis Grünspan, 1908
   22. Species Chaetonotus (Primochaetus) tenuisquamatus Grosso, 1982
   23. Species Chaetonotus (Primochaetus) annectens Grosso & Drahg, 1991 accepted as Chaetonotus annectens Grosso & Drahg, 1991 (formal affiliation to the subgenus Primochaetus Kisilewski has never been make, Kisilewski, 1999 inlcudes it in list species of unclear subgeneric position )
   24. Species Chaetonotus (Primochaetus) veronicae Kånneby, 2013 accepted as Bifidochaetus veronicae (Kånneby, 2013) (new combination see Kolicha et al.Invertebrate Systematics, 2016, 30, 398–419)
6. Subgenus Chaetonotus (Schizochaetonotus) Schwank, 1990
   1. Species Chaetonotus (Schizochaetonotus) atrox Wilke, 1954
   2. Species Chaetonotus (Schizochaetonotus) dispar Wilke, 1954
   3. Species Chaetonotus (Schizochaetonotus) hilarus Schrom, 1972
   4. Species Chaetonotus (Schizochaetonotus) inaequidentatus Kisielewski, 1988
   5. Species Chaetonotus (Schizochaetonotus) luporinii Balsamo, Fregni & Tongiorgi, 1996
   6. Species Chaetonotus (Schizochaetonotus) modestus Schrom, 1972
   7. Species Chaetonotus (Schizochaetonotus) neptuni Wilke, 1954
   8. Species Chaetonotus (Schizochaetonotus) schromi Hummon, 1974
   9. Species Chaetonotus (Schizochaetonotus) schultzei Metschnikoff, 1865
   10. Species Chaetonotus (Schizochaetonotus) serenus Schrom, 1972
   11. Species Chaetonotus (Schizochaetonotus) woodi Thane-Fenchel, 1970
7. Subgenus Chaetonotus (Tristratachaetus) Kolicka, Kisielewski, Nesteruk & Zawierucha, 2013
   1. Species Chaetonotus (Tristratachaetus) rhombosquamatus Kolicka, Kisielewski, Nesteruk & Zawierucha, 2013
8. Subgenus Chaetonotus (Wolterecka) Mola, 1932
   1. Species Chaetonotus (Wolterecka) caudalspinosus Visvesvara, 1964
   2. Species Chaetonotus (Wolterecka) semovitus Kolicka, 2019
   3. Species Chaetonotus (Wolterecka) sudeticus Kisielewski, 1984
   4. Species Chaetonotus (Wolterecka) uncinus Voigt, 1902
9. Subgenus Chaetonotus (Zonochaeta) Remane, 1927
   1. Species Chaetonotus (Zonochaeta) bisacer Greuter, 1917
   2. Species Chaetonotus (Zonochaeta) caricicola Schwank, 1990
   3. Species Chaetonotus (Zonochaeta) cestacanthus Balsamo, 1990
   4. Species Chaetonotus (Zonochaeta) crassus Preobrajenskaja, 1926
   5. Species Chaetonotus (Zonochaeta) dracunculus Balsamo, 1990
   6. Species Chaetonotus (Zonochaeta) multisetosus Preobrajenskaja, 1926
   7. Species Chaetonotus (Zonochaeta) palustris Anderson & Robbins, 1980
   8. Species Chaetonotus (Zonochaeta) pentacanthus Balsamo, 1981
   9. Species Chaetonotus (Zonochaeta) pygmaeus Schwank, 1990
   10. Species Chaetonotus (Zonochaeta) sextospinosus Visvesvara, 1964
   11. Species Chaetonotus (Zonochaeta) succinctus Voigt, 1902
   12. Species Chaetonotus (Zonochaeta) trichostichodes Brunson, 1950
   13. Species Chaetonotus (Zonochaeta) voigti Greuter, 1917
10. Species Chaetonotus annectens Grosso & Drahg, 1991
11. Species Chaetonotus balticus Remane, 1926
12. Species Chaetonotus bogdanovii (Schimkewitsch, 1886)
13. Species Chaetonotus dentatus Tretyakova, 1992
14. Species Chaetonotus fenchelae d'Hondt, 1974
15. Species Chaetonotus lancearis Tretyakova, 1992
16. Species Chaetonotus laterospinosus Visvesvara, 1964
17. Species Chaetonotus marinus Giard, 1904
18. Species Chaetonotus monobarbatus Visvesvara, 1964
19. Species Chaetonotus montevideensis Cordero, 1918
20. Species Chaetonotus parthenopeius Wilke, 1954
21. Species Chaetonotus quadratus Martin, 1981
22. Species Chaetonotus striatus Preobrajenskaja, 1926
23. Species Chaetonotus tachyneusticus Brunson, 1948
24. Species Chaetonotus trianguliformis Visvesvara, 1964
25. Species Chaetonotus variosquamatus Mock, 1979
26. Species Chaetonotus vechovi Tretyakova, 1992
27. Subgenus Chaetonotus (Diversichaetatella) Schwank, 1990 accepted as Chaetonotus (Primochaetus) Kisielewski, 1997 (see Kisilewski 1997)
    1. Species Chaetonotus (Diversichaetatella) kisielewskii Schwank, 1990 accepted as Chaetonotus (Primochaetus) acanthocephalus Valkanov, 1937 (synonym, see balsamo et al. 2009)
28. Subgenus Chaetonotus (Halichaetonotus) accepted as Halichaetonotus Remane, 1936 (this taxon was raised to the rank of genus by Schrom, 1972)
    1. Species Chaetonotus (Halichaetonotus) jucundus d'Hondt, 1971 accepted as Halichaetonotus jucundus (d'Hondt, 1971) (basionym)
29. Subgenus Chaetonotus (Lepidochaetus) accepted as Lepidochaetus Kisielewski, 1991 (reasons provided by Kisielewski, 1991 found support from phylogenetic analysis by Kanneby et al., 2013 )
    1. Species Chaetonotus (Lepidochaetus) zelinkai Grünspan, 1908 accepted as Lepidochaetus zelinkai (Grünspan, 1908) (new combination, see Kisielewski, 1991; Other AA consider Lepidochaetus as subgenus of Chaetonotus, however Phylogenetic analysys by Kanneby et al., 2013, shaw Lepidochaetus distinct from Chaetonotus )
30. Subgenus Chaetonotus (Lepidochaetus) Balsamo, d'Hondt, Pierboni & Grilli, 2009 accepted as Lepidochaetus Kisielewski, 1991 (systematization by Balsamo et al. 2009 was challenged by Hummon & Todaro, 2010; Phylogentic analysis by Kanneby et al., 2013 support Kielewski's view)
    1. Species Chaetonotus (Lepidochaetus) brasilianus Balsamo, d'Hondt, Pierboni & Grilli, 2009 accepted as Lepidochaetus brasilense Kisielewski, 1991 (As the genus Lepidochaetus is considered accepted, there is no reason for the new name created by Balsamo et al., 2009)
31. Species Chaetonotus aculifer Gerlach, 1953 accepted as Halichaetonotus aculifer (Gerlach, 1953) (superseded original combination)
32. Species Chaetonotus annae Schwank, 1989 accepted as Chaetonotus (Primochaetus) annae Schwank, 1990 [sensu Schwank & Kånneby, 2014] (wrong year of publication)
33. Species Chaetonotus annectans Grosso & Dragh, 1991 accepted as Chaetonotus (Primochaetus) annectens Grosso & Drahg, 1991 accepted as Chaetonotus annectens Grosso & Drahg, 1991 (misspelling)
34. Species Chaetonotus arenarius d'Hondt, 1971 accepted as Halichaetonotus arenarius (d'Hondt, 1971) (new combination, see Hummon and Todaro, 2010 )
35. Species Chaetonotus balsaminus Schwank, 1990 accepted as Chaetonotus (Chaetonotus) microchaetus Preobrajenskaja, 1926 (synonym)
36. Species Chaetonotus batillifer Luporini & Tongiorgi, 1972 accepted as Halichaetonotus batillifer (Luporini & Tongiorgi, 1972) (synonym (new combination) see Mock, 1979)
37. Species Chaetonotus berissensis Grosso, 1976 accepted as Lepidochaetus zelinkai (Grünspan, 1908) (junior synonym see Kisielewski, 1991)
38. Species Chaetonotus carpaticus Rudescu, 1967 accepted as Lepidochaetus carpaticus (Rudescu, 1967) (new combination see Kisielwski, 1991)
39. Species Chaetonotus concinnus Stokes, 1887 accepted as Fluxiderma concinnum (Stokes, 1887) (new combination see d'Hondt, 1974)
40. Species Chaetonotus decipiens Remane, 1926 accepted as Halichaetonotus decipiens (Remane, 1929)
41. Species Chaetonotus elongatus Daday, 1905 accepted as Polymerurus elongatus (Daday, 1905) (synonym)
42. Species Chaetonotus fencheli d'Hondt, 1974 accepted as Chaetonotus fenchelae d'Hondt, 1974
43. Species Chaetonotus fruticosus Martin, 1981 accepted as Chaetonotus (Primochaetus) heideri Brehm, 1917 (missidentification see Martin, 1990)
44. Species Chaetonotus furculatus Schwank, 1989 accepted as Chaetonotus (Chaetonotus) furculatus Schwank, 1990 [sensu Schwank & Kånneby, 2014] (wrong year of publication)
45. Species Chaetonotus fuscus Martin, 1981 accepted as Chaetonotus (Chaetonotus) disjunctus Greuter, 1917 (missidentification see Martin, 1990)
46. Species Chaetonotus graecensis Grünspan, 1908 accepted as Chaetonotus (Lepidochaetus) zelinkai Grünspan, 1908 accepted as Lepidochaetus zelinkai (Grünspan, 1908) (synonym)
47. Species Chaetonotus guruguetoi Grosso, 1973 accepted as Chaetonotus (Zonochaeta) bisacer Greuter, 1917 (synonym)
48. Species Chaetonotus heterocanthus Remane, 1927 accepted as Chaetonotus (Primochaetus) heteracanthus Remane, 1927 (Lapsus calami)
49. Species Chaetonotus jamaicense (Schmarda, 1861) accepted as Ichthydium jamaicense Schmarda, 1861
50. Species Chaetonotus jucundus Schrom, 1972 accepted as Chaetonotus (Schizochaetonotus) schromi Hummon, 1974 (junior synonym see HUmmon, 1974 and Hummon & Todaro, 2010)
51. Species Chaetonotus jucundus d'Hondt, 1971 accepted as Halichaetonotus jucundus (d'Hondt, 1971) (synonym (new combination) see Hummon & Todaro, 2010)
52. Species Chaetonotus kisielewski Schwank, 1990 accepted as Chaetonotus (Primochaetus) acanthocephalus Valkanov, 1937 (synonym)
53. Species Chaetonotus littoralis d'Hondt, 1970 accepted as Halichaetonotus littoralis (d'Hondt, 1971)
54. Species Chaetonotus longicaudatus Tatem, 1867 accepted as Polymerurus longicaudatus (Tatem, 1867) (synonym)
55. Species Chaetonotus magnus Kisielewski, 1979 accepted as Chaetonotus (Captochaetus) robustus Davison, 1938 (junior synonym)
56. Species Chaetonotus micracanthus Remane, 1926 accepted as Xenotrichula micracantha (Remane, 1926) (synonym (new combination))
57. Species Chaetonotus nodicaudus Voigt, 1901 accepted as Polymerurus nodicaudus (Voigt, 1901) (synonym)
58. Species Chaetonotus nodifurca Marcolongo, 1910 accepted as Polymerurus nodifurca (Marcolongo, 1910) (new combination)
59. Species Chaetonotus novenarius Balsamo, 1983 accepted as Chaetonotus (Hystricochaetonotus) balsamoae Kisielewski, 1997 (the name was pre-occupied (see Kisielewski, 1997))
60. Species Chaetonotus ontariensis Schwank, 1989 accepted as Chaetonotus (Chaetonotus) ontariensis Schwank, 1990 [sensu Schwank & Kånneby, 2014] (wrong year of publication)
61. Species Chaetonotus ophiogaster Remane, 1927 accepted as Chaetonotus (Primochaetus) macrolepidotus Greuter, 1917 (synonym)
62. Species Chaetonotus ornatus Daday, 1901 accepted as Lepidochaetus ornatus (Daday, 1901) (new combination see Kisielwski, 1991)
63. Species Chaetonotus paradoxus Remane, 1927 accepted as Halichaetonotus paradoxus (Remane, 1927)
64. Species Chaetonotus parvus Wilke, 1954 accepted as Halichaetonotus parvus (Wilke, 1954)
65. Species Chaetonotus penthacanthus Balsamo, 1981 accepted as Chaetonotus (Zonochaeta) pentacanthus Balsamo, 1981 (misspelling)
66. Species Chaetonotus pleuracanthus Remane, 1926 accepted as Halichaetonotus pleuracanthus (Remane, 1926) (new combination see Hummon & Todaro, 2010)
67. Species Chaetonotus polonicus Schwank, 1990 accepted as Chaetonotus (Chaetonotus) pawlowskii polonicus Schwank, 1990 (Schwank (1990) raised to species the the var.; later, Kisielewski, 1997 proposed the sub species status )
68. Species Chaetonotus pusillus Daday, 1905 accepted as Lepidochaetus pusillus (Daday, 1905) (new combination see Kisielwski, 1991)
69. Species Chaetonotus rhomboides Stokes, 1887 accepted as Polymerurus rhomboides (Stokes, 1887) (new combination)
70. Species Chaetonotus schoepferi Thane-Fenchel, 1970 accepted as Chaetonotus schoepferae Thane-Fenchel, 1970 represented as Chaetonotus (Chaetonotus) schoepferae Thane-Fenchel, 1970
71. Species Chaetonotus serraticaudus Voigt, 1901 accepted as Polymerurus serraticaudus (Voigt, 1901) (new combination)
72. Species Chaetonotus somniculosus Mock, 1979 accepted as Halichaetonotus somniculosus (Mock, 1979)
73. Species Chaetonotus squamatus Dujardin, 1841 accepted as Lepidodermella squamata (Dujardin, 1841) (synonym)
74. Species Chaetonotus squammofurcatus Preobrajenskaja, 1926 accepted as Polymerurus squammofurcatus (Preobrajenskaja, 1926) (synonym (new combination))
75. Species Chaetonotus sulcatus Stockes, 1887 accepted as Ichthydium (Ichthydium) sulcatum (Stokes, 1887) (synonym (new combination))
76. Species Chaetonotus tabulatum (Schmarda, 1861) accepted as Ichthydium tabulatum Schmarda, 1861
77. Species Chaetonotus tentaculatus d'Hondt, 1971 accepted as Halichaetonotus tentaculatus (d'Hondt, 1971) (synonym (new combination))
78. Species Chaetonotus tesselatus Metschnikoff, 1865 accepted as Lepidodermella squamata (Dujardin, 1841) (lapsus see Schwank, 1990)
79. Species Chaetonotus testiculophorus Hummon, 1966 accepted as Halichaetonotus testiculophorus (Hummon, 1966)
80. Species Chaetonotus trianguliforme Visvesvara, 1964 accepted as Chaetonotus trianguliformis Visvesvara, 1964
81. Species Chaetonotus truncatus Saito, 1937 accepted as Chaetonotus (Zonochaeta) bisacer Greuter, 1917 (junior synonym)
82. Species Chaetonotus apolemnus Hummon, Balsamo & Todaro, 1992 represented as Chaetonotus (Marinochaetus) apolemmus Hummon, Balsamo & Todaro, 1992
83. Species Chaetonotus elachysomus Hummon, 2010 represented as Chaetonotus (Marinochaetus) elachysomus Hummon, 2010
84. Species Chaetonotus eratus Hummon, 2010 represented as Chaetonotus (Marinochaetus) eratus Hummon, 2010
85. Species Chaetonotus ichthydioides Tongiorgi, Fregni & Balsamo, 1999 represented as Chaetonotus (Chaetonotus) ichthydioides Tongiorgi, Fregni & Balsamo, 1999
86. Species Chaetonotus machikanensis Suzuki & Furuya, 2011 represented as Chaetonotus (Chaetonotus) machikanensis Suzuki & Furuya, 2011
87. Species Chaetonotus maximus Ehrenberg, 1831 represented as Chaetonotus (Chaetonotus) maximus Ehrenberg, 1838
88. Species Chaetonotus pawlowskii Kisielewski, 1984 represented as Chaetonotus (Chaetonotus) pawlowskii Kisielewski, 1984
89. Species Chaetonotus polyhybus Hummon, 2010 represented as Chaetonotus (Marinochaetus) polyhybus Hummon, 2010
90. Species Chaetonotus retiformis Suzuki & Furuya, 2011 represented as Chaetonotus (Chaetonotus) retiformis Suzuki & Furuya, 2011
91. Species Chaetonotus schoepferae Thane-Fenchel, 1970 represented as Chaetonotus (Chaetonotus) schoepferae Thane-Fenchel, 1970
92. Species Chaetonotus annulatus Martin, 1981 (uncertain > taxon inquirendum)
93. Species Chaetonotus aquaticus Gessner, 1930 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)
94. Species Chaetonotus crinitus Sudzuki, 1971 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)
95. Species Chaetonotus elegantulus Remane, 1936 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)
96. Species Chaetonotus gracilis Gosse, 1864 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)
97. Species Chaetonotus hermaphroditus Remane, 1936 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)
98. Species Chaetonotus slackiae Gosse, 1864 (uncertain > taxon inquirendum, see Schwank, 1990; Balsamo et al., 2009)

 The webpage text is licensed under a Creative Commons Attribution 4.0 License