1. Vorticella (Bütschli).

2. Vorticella (Leeuwenhoek).

3. Vorticella (O. F. Müller).

4. Vorticella (d'Udekem).

5. Vorticella (Kent).

6. Vorticella (Kent).

7. Vorticella (Kent).

8. Vorticella (Noland & Finley).

9. Vorticella (Fauré-Fremiet).

10. Vorticella (Fauré-Fremiet).

11. Vorticella (Fauré-Fremiet).

12. Vorticella (Noland & Finley).

13. Carchesium (O. F. Müller).

14. Carchesium (O. F. Müller).

15. Carchesium (Kent)

16. Carchesium (Kent)

17. Carchesium (Stein).

18. Carchesium (Matthes).

19. Pseudovorticella (Foissner & Schiffmann).

20. Tucolesca (Tucolesco).

21. Intranstylum (Stiller).

22. Intranstylum (Stiller).

23. Pseudocarchesium (Sommer).

24. Haplocaulus (Stiller), telotroch

25. Haplocaulus, adult form (Nenninger).

26. Zoothamnium (Summers)

27. Zoothamnium (Stein)

28. Zoothamnium (Kent).

29. Astylozoon (Dingfelder)

30. Astylozoon (Wang & Nie)

31. Astylozoon (Dingfelder).

32. Hastatella
(Jarocki & Jakubowska)

33. Hastatella
(Wang & Nie).

34. Apiosoma (Lom).

35. Apiosoma (Lom).

36 Apiosoma (Lom).

37. Campanella (Schröder).

38. Epistylis, On left, attached to Acineta (suctorian); on right, another individual captured by the suctorian (Fauré-Fremiet).

39. Epistylis, (Stiller)

40. Epistylis, (Sommer)

41. Epistylis, (Ehrenberg)

42. Epistylis, (Stiller)

43. Epistylis, (Fauré-Fremiet)

44. Epistylis, On left, attached to another peritrich, Apiosoma; on right, suctorian Erastophrya, attached to same Apiosoma (Fauré-Fremiet).

45. Epistylis, (Stiller)

46. Epistylis. (Kent).

47. Rhabdostyla (Nenninger).

48. Opercularia (Nenninger)

49. Opercularia (Collin)

50. Opercularia (Sommer)

51. Opercularia (Kent)

52. Opercularia (Fauré-Fremiet).

53. Scyphidia (Fauré-Fremiet)

54. Scyphidia, with a telotroch in 54a (Thompson et al.)

55. Scyphidia (Quennerstedt)

56. Scyphidia (Stiller).

57a,b. Ambiphrya, adult and telotroch (Raabe).

58. Ballodora (Matthes).

59. Orbopercularia (Matthes).

60. Opisthonecta (Fauré-Fremiet)

61. Opisthonecta (Foissner).

62. Telotrochidium (Fauré-Fremiet)

63. Telotrochidium (Foissner).

64. Propyxidium (Nenninger).

65a-c. Ellobiophrya, attached and unattached to host gill tissue, adult forms with a telotroch in 65b (Chatton & Lwoff).

66a,b. Caliperia, similarly attached and unattached adult forms (Laird).

67. Gerda (Claparède & Lachmann)

68. Gerda (Stokes)

69. Gerda (Penard)

70. Gerda (Kahl)

71. Gerda (Kent).

72. Ophrydium (Stein)

73. Ophrydium (Wrzesniowski)

74. Ophrydium (Ehrenberg)

75. Ophrydium (Penard)

76 Ophrydium (Kent).

77. Rovinjella (Matthes).

78. Cothurnia (Hamilton)

79. Cothurnia (Stiller)

80. Cothurnia (Entz)

81. Cothurnia (Stokes)

82. Cothurnia (Vuxanovici)

83. Cothurnia (Penard).

84. Thuricola (Sommer).

85. Thuricola (Sommer).

86. Vaginicola (Sommer)

87. Vaginicola (d'Udekem)

88. Vaginicola (Kent)

89. Vaginicola (Stokes)

90. Vaginicola (Stokes)

91. Vaginicola (Penard)

92. Vaginicola (Ehrenberg)

93. Vaginicola (de Fromentel).

94. Caulicola (d'Udekem)

95. Caulicola(?), with operculum shown [surely mistakenly] as attached to rim of lorica-opening (Stokes).

96.Pyxicola (Kent).

97. Pyxicola (Kent).

98. Pyxicola (Kent).

99. Platycola (de Fromentel).

100. Platycola (de Fromentel).

101. Lagenophrys (Penard).

102. Lagenophrys (Penard).

103. Lagenophrys (Penard).

104. Lagenophrys (Penard).

105. Lagenophrys (Penard).

106. Trichodina (Uzmann & Stickney)

107. Trichodina (Clark)

108. Trichodina (Busch)

109. Trichodina (Bovee)

110. Trichodina (Padnos & Nigrelli)

111. Trichodina (Jackson)

112. Trichodina (Lom)

113. Trichodina (MacLennan)

114. Trichodina (Fulton).

115. Trichodinella (Lom).

116. Vauchomia (Mueller).

117. Urceolaria (Zick)

118. Urceolaria (Johnston)

119. Urceolaria (Wallengren)

120. Urceolaria (Jankowski)

121. Urceolaria (Claparède & Lachmann)

122. Urceolaria (Fenchel).

123. Trichodinopsis (Claparède & Lachmann)

124. Trichodinopsis (Issel)

125. Trichodinopsis (Raabe).

126. Polycycla (Fauré-Fremiet & Czapik).

127a-c. Leiotrocha (Fenchel).

128a-f. Denticles of aboral ring representative of selected mobiline peritrich genera, as indicated (all after Raabe): a, Trichodina; b, Tripartiella; c, Trichodinella; d, Dipartiella; e, Urceolaria and Leiotrocha; f, Polycycla and Trichodinopsis.