1. Species Haploniscus acutirostris Menzies & George, 1972
2. Species Haploniscus acutus Menzies, 1962
3. Species Haploniscus aduncus Lincoln, 1985
4. Species Haploniscus ampliatus Lincoln, 1985
5. Species Haploniscus angolensis Brökeland, 2010
6. Species Haploniscus angustus Lincoln, 1985
7. Species Haploniscus antarcticus Vanhöffen, 1914
8. Species Haploniscus astraphes Brökeland & Svavarsson, 2017
9. Species Haploniscus belyaevi Birstein, 1963
10. Species Haploniscus bicuspis (G. O. Sars, 1877)
11. Species Haploniscus bihastatus Brökeland, 2010
12. Species Haploniscus borealis Lincoln, 1985
13. Species Haploniscus bruuni Menzies & George, 1972
14. Species Haploniscus capensis Menzies, 1962
15. Species Haploniscus cassilatus Brökeland & Raupach, 2008
16. Species Haploniscus charcoti Chardy, 1975
17. Species Haploniscus cucullus Brökeland & Raupach, 2008
18. Species Haploniscus curvirostris Vanhöffen, 1914
19. Species Haploniscus excisus Richardson, 1908
20. Species Haploniscus foresti Chardy, 1974
21. Species Haploniscus furcatus Chardy, 1974
22. Species Haploniscus gernekei Kensley, 1978
23. Species Haploniscus gibbernasutus Birstein, 1971
24. Species Haploniscus gnanamuthi George, 2004
25. Species Haploniscus hamatus Lincoln, 1985
26. Species Haploniscus harrietae George, 2004
27. Species Haploniscus helgei Wolff, 1962
28. Species Haploniscus hydroniscoides Birstein, 1963
29. Species Haploniscus inermis Birstein, 1971
30. Species Haploniscus ingolfi Wolff, 1962
31. Species Haploniscus intermedius Birstein, 1971
32. Species Haploniscus kensleyi George, 2004
33. Species Haploniscus kermadecensis Wolff, 1962
34. Species Haploniscus kyrbasia Brökeland & Raupach, 2008
35. Species Haploniscus laticephalus Birstein, 1968
36. Species Haploniscus machairis Brökeland, 2010
37. Species Haploniscus menziesi Birstein, 1963
38. Species Haploniscus miccus Lincoln, 1985
39. Species Haploniscus microkorys Brökeland & Raupach, 2008
40. Species Haploniscus minutus Menzies, 1962
41. Species Haploniscus monoceros Brökeland, 2010
42. Species Haploniscus monodi Chardy, 1974
43. Species Haploniscus myriamae Chardy, 1974
44. Species Haploniscus nondescriptus Menzies, 1962
45. Species Haploniscus nudifrons Brökeland & Raupach, 2008
46. Species Haploniscus obtusifrons Chardy, 1974
47. Species Haploniscus oviformis Birstein, 1968
48. Species Haploniscus percavix Menzies, 1962
49. Species Haploniscus piestus Lincoln, 1985
50. Species Haploniscus polaris Menzies, 1962
51. Species Haploniscus procerus Brökeland & Raupach, 2008
52. Species Haploniscus profundicolus Birstein, 1971
53. Species Haploniscus pygmaeus Birstein, 1969
54. Species Haploniscus retrospinis Richardson, 1908
55. Species Haploniscus robinsoni Menzies & Tinker, 1960
56. Species Haploniscus rostratus (Menzies, 1962)
57. Species Haploniscus rugosus Menzies, 1962
58. Species Haploniscus saphos Lincoln, 1985
59. Species Haploniscus silus Lincoln, 1985
60. Species Haploniscus similis Birstein, 1968
61. Species Haploniscus spatulifrons Menzies, 1962
62. Species Haploniscus spinifer Hansen, 1916
63. Species Haploniscus tangaroae Lincoln, 1985
64. Species Haploniscus telus Menzies, 1962
65. Species Haploniscus tricornis Menzies, 1962
66. Species Haploniscus tricornoides Menzies, 1962
67. Species Haploniscus tridens Menzies, 1962
68. Species Haploniscus tropicalis Menzies, 1962
69. Species Haploniscus tuberculatus Menzies, 1962
70. Species Haploniscus ultraabyssalis Birstein, 1963
71. Species Haploniscus unicornis Menzies, 1956
72. Species Haploniscus weddellensis Brökeland & Raupach, 2008
73. Species Haploniscus armadilloides Hansen, 1916 accepted as Chauliodoniscus armadilloides (Hansen, 1916) (basionym)
74. Species Haploniscus concavus Menzies & George, 1972 accepted as Mastigoniscus concavus (Menzies & George, 1972) (basionym)
75. Species Haploniscus dimeroceras Barnard, 1920 accepted as Antennuloniscus dimeroceras (Barnard, 1920) (unaccepted > superseded combination)
76. Species Haploniscus elevatus Menzies, 1962 accepted as Chauliodoniscus elevatus (Menzies, 1962) (basionym)
77. Species Haploniscus generalis Menzies & George, 1972 accepted as Mastigoniscus generalis (Menzies & George, 1972) (basionym)
78. Species Haploniscus gratissimus Menzies & George, 1972 accepted as Mastigoniscus gratissimus (Menzies & George, 1972) (basionym)
79. Species Haploniscus gratus Menzies & George, 1972 accepted as Mastigoniscus gratus (Menzies & George, 1972) (basionym)
80. Species Haploniscus latus Birstein, 1971 accepted as Mastigoniscus latus (Birstein, 1971) (unaccepted > superseded combination)
81. Species Haploniscus microcephalus Gamo, 1989 accepted as Mastigoniscus microcephalus (Gamo, 1989) (basionym)
82. Species Haploniscus ovalis Menzies, 1962 accepted as Chauliodoniscus ovalis (Menzies, 1962) (basionym)
83. Species Haploniscus parallelus Menzies, 1962 accepted as Chauliodoniscus parallelus (Menzies, 1962) (basionym)
84. Species Haploniscus princeps Menzies, 1962 accepted as Chauliodoniscus princeps (Menzies, 1962) (basionym)
85. Species Haploniscus quadrifrons Menzies, 1962 accepted as Chauliodoniscus quadrifrons (Menzies, 1962) (basionym)
86. Species Haploniscus reyssi Chardy, 1974 accepted as Chauliodoniscus reyssi (Chardy, 1974) (basionym)
87. Species Haploniscus trituberculatus Menzies, 1962 accepted as Chauliodoniscus trituberculatus (Menzies, 1962) (basionym)

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