1. Species Polysyncraton adelon Monniot F. & Monniot C., 2001
2. Species Polysyncraton adenale Romanov, 1977
3. Species Polysyncraton alinguum Kott, 2004
4. Species Polysyncraton amethysteum Van Name, 1902
5. Species Polysyncraton arafurensis (Tokioka, 1952)
6. Species Polysyncraton arvum Kott, 2004
7. Species Polysyncraton asperum Romanov, 1989
8. Species Polysyncraton aspiculatum (Tokioka, 1949)
9. Species Polysyncraton asterix Monniot F., 1974
10. Species Polysyncraton bilobatum Lafargue, 1968
11. Species Polysyncraton cabofriense Oliveira & Rocha, 2019
12. Species Polysyncraton calculum Kott, 2008
13. Species Polysyncraton canetense (Brément, 1913)
14. Species Polysyncraton catillum Kott, 2004
15. Species Polysyncraton cerebellum Monniot F. & Monniot C., 2001
16. Species Polysyncraton chondrilla (Michaelsen, 1924)
17. Species Polysyncraton chuni Hartmeyer, 1912
18. Species Polysyncraton circulum Kott, 1962
19. Species Polysyncraton crassum Redikorzev, 1913
20. Species Polysyncraton cuculliferum (Sluiter, 1909)
21. Species Polysyncraton dealbatum Kott, 2008
22. Species Polysyncraton dentatum Kott, 2001
23. Species Polysyncraton discoides Kott, 1962
24. Species Polysyncraton doboense (Sluiter, 1913)
25. Species Polysyncraton dromide Kott, 2001
26. Species Polysyncraton fadeevi Romanov, 1989
27. Species Polysyncraton fistulum Kott, 2008
28. Species Polysyncraton flammeum Kott, 2001
29. Species Polysyncraton fuscum Nott, 1892
30. Species Polysyncraton galaxum Kott, 2004
31. Species Polysyncraton glaucum Kott, 2001
32. Species Polysyncraton globosum Oliveira & Rocha, 2019
33. Species Polysyncraton gratum Kott, 2007
34. Species Polysyncraton haranti Lafargue, 1975
35. Species Polysyncraton hartmeyeri Michaelsen, 1923
36. Species Polysyncraton horridum Monniot F. & Monniot C., 2008
37. Species Polysyncraton infundibulum Kott, 2001
38. Species Polysyncraton jugosum (Herdman & Riddell, 1913)
39. Species Polysyncraton kashenkoi Romanov, 1989
40. Species Polysyncraton krylatkae Romanov, 1974
41. Species Polysyncraton lacazei (Giard, 1872)
42. Species Polysyncraton linere Kott, 2004
43. Species Polysyncraton lithostrotum (Brewin, 1956)
44. Species Polysyncraton lodix Kott, 2001
45. Species Polysyncraton longitubis Kott, 2004
46. Species Polysyncraton louminae Monniot F., 1984
47. Species Polysyncraton luteum Kott, 2004
48. Species Polysyncraton magnetae Hastings, 1931
49. Species Polysyncraton magnilarvum (Millar, 1962)
50. Species Polysyncraton marmoratum Sluiter, 1909
51. Species Polysyncraton maurizeliae Paiva et al., 2015
52. Species Polysyncraton meandratum Monniot F., 1993
53. Species Polysyncraton milleporae Vasseur, 1969
54. Species Polysyncraton miniastrum Kott, 2004
55. Species Polysyncraton montanum Kott, 2004
56. Species Polysyncraton mortenseni (Michaelsen, 1924)
57. Species Polysyncraton multiforme Kott, 2001
58. Species Polysyncraton multipapillae Monniot F., 1993
59. Species Polysyncraton nigropunctatum Sluiter, 1909
60. Species Polysyncraton niveum Kott, 2004
61. Species Polysyncraton oceanium Kott, 2001
62. Species Polysyncraton orbiculum Kott, 1962
63. Species Polysyncraton otuetue Monniot C. & Monniot F., 1987
64. Species Polysyncraton palliolum Kott, 2001
65. Species Polysyncraton papyrus Kott, 2001
66. Species Polysyncraton paradoxum Nott, 1892
67. Species Polysyncraton paramushiri Romanov, 1989
68. Species Polysyncraton pavimentum Monniot F., 1993
69. Species Polysyncraton pedunculatum Kott, 2001
70. Species Polysyncraton peristroma Kott, 2004
71. Species Polysyncraton polysystema Kott, 2005
72. Species Polysyncraton pontoniae Monniot C. & Monniot F., 1987
73. Species Polysyncraton poro Monniot C. & Monniot F., 1987
74. Species Polysyncraton pseudomagnetae Kott, 2004
75. Species Polysyncraton pseudorugosum Monniot F., 1993
76. Species Polysyncraton pulchrum Kott, 2001
77. Species Polysyncraton purou Monniot C. & Monniot F., 1987
78. Species Polysyncraton recurvatum (Sluiter, 1909)
79. Species Polysyncraton reedi Monniot C. & Monniot F., 1994
80. Species Polysyncraton regulum Kott, 2001
81. Species Polysyncraton reticulum Kott, 2004
82. Species Polysyncraton rica Kott, 2001
83. Species Polysyncraton robustum Kott, 2001
84. Species Polysyncraton rostrum Monniot F. & Monniot C., 1997
85. Species Polysyncraton rubitapum Kott, 2001
86. Species Polysyncraton rugosum Monniot F., 1993
87. Species Polysyncraton sagamiana (Tokioka, 1953)
88. Species Polysyncraton scobinum Kott, 2001
89. Species Polysyncraton scorteum Kott, 2001
90. Species Polysyncraton shellensis Brunetti, 2007
91. Species Polysyncraton sideris Kott, 2001
92. Species Polysyncraton snelliusi Oliveira & Rocha, 2019
93. Species Polysyncraton spongioides Hartmeyer, 1912
94. Species Polysyncraton tasmanense Kott, 2001
95. Species Polysyncraton tegetum Kott, 2001
96. Species Polysyncraton tenuicutis Kott, 2001
97. Species Polysyncraton textus Kott, 2004
98. Species Polysyncraton thallomorpha Monniot F., 1993
99. Species Polysyncraton tokiokai Romanov, 1989
100. Species Polysyncraton trivolutum (Millar, 1960)
101. Species Polysyncraton turris Kott, 2004
102. Species Polysyncraton vestiens Monniot F. & Monniot C., 2001
103. Species Polysyncraton victoriensis Kott, 1976
104. Species Polysyncraton adenalis Romanov, 1977 accepted as Polysyncraton adenale Romanov, 1977 (incorrect original spelling)
105. Species Polysyncraton canetensis Brement, 1913 accepted as Polysyncraton canetense (Brément, 1913) (literature misspelling)
106. Species Polysyncraton dubium Sluiter, 1909 accepted as Leptoclinides dubius (Sluiter, 1909) (incorrect original spelling)
107. Species Polysyncraton echinatum Kott, 2001 accepted as Polysyncraton cuculliferum (Sluiter, 1909) (Synonym. Ref: Kott P (2002) The Beagle 18:19-55, p. 30)
108. Species Polysyncraton longtubis Kott, 2004 accepted as Polysyncraton longitubis Kott, 2004 (misspelling)
109. Species Polysyncraton mortensi (Michaelsen, 1924) accepted as Polysyncraton mortenseni (Michaelsen, 1924) (misspelling)
110. Species Polysyncraton multiformis Kott, 2001 accepted as Polysyncraton multiforme Kott, 2001
111. Species Polysyncraton multipapilla Monniot F., 1993 accepted as Polysyncraton multipapillae Monniot F., 1993
112. Species Polysyncraton ocellatum Sluiter, 1909 accepted as Leptoclinides ocellatus (Sluiter, 1909) (original combination)
113. Species Polysyncraton ocellatus Sluiter, 1909 accepted as Leptoclinides ocellatus (Sluiter, 1909) (misspelling)
114. Species Polysyncraton porou Monniot C. & Monniot F., 1987 accepted as Polysyncraton purou Monniot C. & Monniot F., 1987
115. Species Polysyncraton rostrum Kott, 2004 accepted as Polysyncraton shellensis Brunetti, 2007 (name preoccupied by Monniot F. & C., 1997: 11)
116. Species Polysyncraton rufum Sluiter, 1909 accepted as Leptoclinides rufus (Sluiter, 1909) (original combination)
117. Species Polysyncraton rufus Sluiter, 1909 accepted as Leptoclinides rufus (Sluiter, 1909) (literature misspelling)
118. Species Polysyncraton schillingi Michaelsen, 1920 accepted as Polysyncraton recurvatum (Sluiter, 1909) (original combination)

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