1. Species Trichodina abomae Dogiel, 1948
2. Species Trichodina arctica Zhukov, 1964
3. Species Trichodina astericola Precht, 1935
4. Species Trichodina australis Su & White, 1995
5. Species Trichodina baltica Quennerstedt, 1869
6. Species Trichodina bidentata Fabre-Domergue, 1888
7. Species Trichodina blennii Fantham, 1930
8. Species Trichodina borealis Shulman & Shulman-Albova, 1953
9. Species Trichodina branchicola Tripathi, 1948
10. Species Trichodina caecellae Xu & Song, 2008
11. Species Trichodina cardii (Delphy, 1838) Uzmann & Stickney, 1954
12. Species Trichodina cardiorum Raabe & Raabe, 1959
13. Species Trichodina caspialosae (Dogiel, 1940) Lom, 1962
14. Species Trichodina chelidonichthys Fantham, 1930
15. Species Trichodina chlamydis Xu, Song & Warren, 1999
16. Species Trichodina circinantis Xu, Song & Warren, 2002
17. Species Trichodina claviformis Dobberstein & Palm, 2000
18. Species Trichodina clini Fantham, 1930
19. Species Trichodina cooperi Poynton & Lom, 1989
20. Species Trichodina cottidarum Dogiel, 1948
21. Species Trichodina ctenophorii Estes, Reynolds & Moss, 1997
22. Species Trichodina cycloptericola Poljansky, 1955
23. Species Trichodina decipiens Laird, 1961
24. Species Trichodina dohrni Reichenbach-Klinke, 1956
25. Species Trichodina domerguei (Wallengren, 1897)
26. Species Trichodina elegans Stein, 1979
27. Species Trichodina elegini Shulmann-Albova, 1950
28. Species Trichodina fariai da Cunha & Pinto, 1928
29. Species Trichodina frequentis Shtein, 1979
30. Species Trichodina galyae Lom & Laird, 1969
31. Species Trichodina halichoeri (Suzuki, 1950) Laird, 1961
32. Species Trichodina halli Padnos & Nigrelli, 1942
33. Species Trichodina hexagrammi Zhukov, 1964
34. Species Trichodina histiocotti Stein, 1979
35. Species Trichodina jadranica Raabe, 1958
36. Species Trichodina japonica Imai, Miyazaki & Nomura, 1991
37. Species Trichodina jarmilae Lom & Laird, 1969
38. Species Trichodina labrorum Chatton, 1910
39. Species Trichodina lairdi Lom, 1970
40. Species Trichodina lepsii Lom, 1962
41. Species Trichodina liana Xu, Song & Warren, 1999
42. Species Trichodina liparisi Zhukov, 1964
43. Species Trichodina luba Basson, Van As & Fishelson, 1990
44. Species Trichodina macomarum Raabe & Raabe, 1959
45. Species Trichodina mactrae Xu, Song & Warren, 2000
46. Species Trichodina melanogrammi (Stein, 1961)
47. Species Trichodina meretricis Xu, Song & Warren, 1999
48. Species Trichodina microbis Suzuki, 1950
49. Species Trichodina micromaculata Stein, 1975
50. Species Trichodina minima Shtein, 1979
51. Species Trichodina mugilis Fantham, 1930
52. Species Trichodina multidentis Laird, 1953
53. Species Trichodina murmanica Poljansky, 1955
54. Species Trichodina myicola Uzmann & Stickney, 1954
55. Species Trichodina nesogobii Su & White, 1995
56. Species Trichodina oligocotti Lom, 1970
57. Species Trichodina ophiotricis Fabre-Domergue
58. Species Trichodina oviducti Polyansky, 1955
59. Species Trichodina ovonucleata Raabe, 1958
60. Species Trichodina oxystelis Sandon, 1965
61. Species Trichodina pacifica Stein, 1979
62. Species Trichodina pala Stein, 1979
63. Species Trichodina parabranchicola Laird, 1953
64. Species Trichodina partidisci Lom, 1962
65. Species Trichodina parvula Lom, 1970
66. Species Trichodina pectenis Stein, 1974
67. Species Trichodina ploveri Zhukov, 1964
68. Species Trichodina polandiae Fenchel, 1965
69. Species Trichodina puytoraci Lom, 1962
70. Species Trichodina raabei Lohm, 1962
71. Species Trichodina rajae Evdokimova, Kuznetsova & Shtein, 1969
72. Species Trichodina rectispina Xu, Song & Warren, 2002
73. Species Trichodina rectuncinata Raabe, 1958
74. Species Trichodina rhinobatae Van As & Basson, 1996
75. Species Trichodina ruditapicis Xu, Song & Warren, 2000
76. Species Trichodina scapharcae Xu, Song & Warren, 2000
77. Species Trichodina scoloplontis Precht, 1935
78. Species Trichodina scorpaenae (Robin, 1879) Zick, 1928
79. Species Trichodina serpularum (Fabre-Domergue, 1888)
80. Species Trichodina sinonovaculae Xu, Song & Warren, 1999
81. Species Trichodina solinis Xu et al., 1997
82. Species Trichodina sphaeroidesi Padnos & Nigrelli, 1942
83. Species Trichodina tenuidens Fauré-Fremiet, 1943
84. Species Trichodina terebellidis Precht, 1935
85. Species Trichodina trigonofibulae Zhukov, 1964
86. Species Trichodina vancouverense Laird, 1961
87. Species Trichodina zaikai Grupcheva, Lom & Dyková, 1989
88. Species Trichodina patellae Cuénot, 1891 accepted as Urceolaria patellae (Cuénot, 1891) (unaccepted > junior objective synonym)

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