1. Species Polyclinum arenosum (Sluiter, 1898)
2. Species Polyclinum aurantium Milne Edwards, 1841
3. Species Polyclinum campi Fortaleza & Lotufo, 2018
4. Species Polyclinum cerebrale Michaelsen, 1924
5. Species Polyclinum circulatum Jensen, 1980
6. Species Polyclinum complanatum Herdman, 1899
7. Species Polyclinum constellatum Savigny, 1816
8. Species Polyclinum corbis Kott, 2003
9. Species Polyclinum crater Sluiter, 1909
10. Species Polyclinum festum Hartmeyer, 1905
11. Species Polyclinum fungosum Herdman, 1886
12. Species Polyclinum glabrum Sluiter, 1895
13. Species Polyclinum hesperium Savigny, 1816
14. Species Polyclinum hospitale Sluiter, 1909
15. Species Polyclinum incrustatum Michaelsen, 1930
16. Species Polyclinum isiacum Savigny, 1816
17. Species Polyclinum isipingense Sluiter, 1898
18. Species Polyclinum johnsoni Monniot C. & Monniot F., 1989
19. Species Polyclinum lagena Monniot F. & Monniot C., 2006
20. Species Polyclinum laxum Van Name, 1945
21. Species Polyclinum macrophyllum Michaelsen, 1919
22. Species Polyclinum madrasensis Sebastian, 1952
23. Species Polyclinum maeandrium Sluiter, 1915
24. Species Polyclinum marsupiale Kott, 1963
25. Species Polyclinum meridianum Sluiter, 1900
26. Species Polyclinum michaelseni Brewin, 1956
27. Species Polyclinum molle Rocha & Costa, 2005
28. Species Polyclinum neptunium Hartmeyer, 1912
29. Species Polyclinum novaezelandiae Brewin, 1958
30. Species Polyclinum nudum Kott, 1992
31. Species Polyclinum orbitum Kott, 1992
32. Species Polyclinum pedicellatum Monniot F., 2012
33. Species Polyclinum planum (Ritter & Forsyth, 1917)
34. Species Polyclinum psammiferum Hartmeyer, 1911
35. Species Polyclinum pute Monniot C. & Monniot F., 1987
36. Species Polyclinum reticulatum Sluiter, 1915
37. Species Polyclinum sacceum Monniot F. & Monniot C., 2006
38. Species Polyclinum saturnium Savigny, 1816
39. Species Polyclinum sebastiani Brunetti, 2007
40. Species Polyclinum sibiricum Redikorzev, 1907
41. Species Polyclinum sluiteri Brewin, 1956
42. Species Polyclinum sundaicum (Sluiter, 1909)
43. Species Polyclinum tenuatum Kott, 1992
44. Species Polyclinum terranum Kott, 1992
45. Species Polyclinum tingens Monniot F., 2012
46. Species Polyclinum tsutsuii Tokioka, 1954
47. Species Polyclinum vasculosum Pizon, 1908
48. Species Polyclinum adareanum Herdman, 1902 accepted as Synoicum adareanum (Herdman, 1902) (original combination)
49. Species Polyclinum brasilense Michaelsen, 1923 accepted as Polyclinum constellatum Savigny, 1816 (original combination)
50. Species Polyclinum cerebriforme Alder & Hancock, 1912 accepted as Polyclinum aurantium Milne Edwards, 1841 (original combination)
51. Species Polyclinum circumvolutum (Sluiter, 1900) accepted as Aplidium circumvolutum (Sluiter, 1900) (misspelling)
52. Species Polyclinum clavatum Oka, 1927 accepted as Synoicum clavatum (Oka, 1927) (original combination)
53. Species Polyclinum cylindrica Quoy & Gaimard, 1834 accepted as Clavelina cylindrica (Quoy & Gaimard, 1834) (literature misspelling)
54. Species Polyclinum cylindricum Quoy & Gaimard, 1834 accepted as Clavelina cylindrica (Quoy & Gaimard, 1834) (original combination)
55. Species Polyclinum cythereum Savigny, 1816 accepted as Polyclinum saturnium Savigny, 1816 (original combination)
56. Species Polyclinum gelidus (Monniot F., 1987) accepted as Aplidiopsis gelidus Monniot F., 1987
57. Species Polyclinum giganteum Herdman, 1899 accepted as Polycitor giganteus (Herdman, 1899) (original combination)
58. Species Polyclinum globosum Herdman, 1899 accepted as Polycitor giganteus (Herdman, 1899) (original combination)
59. Species Polyclinum incertum Herdman, 1886 accepted as Aplidium fuegiense (Cunningham, 1871) (original combination)
60. Species Polyclinum indicum Sebastian, 1954 accepted as Polyclinum sebastiani Brunetti, 2007 (nom. nov. for Polyclinum indicum Sebastian, 1954: 18, preoccupied by Glossophorum indicum Das, 1946: 8.)
61. Species Polyclinum insulsum Sluiter, 1898 accepted as Synoicum insulsum (Sluiter, 1898) (original combination)
62. Species Polyclinum mikropnous Sluiter, 1909 accepted as Distaplia mikropnoa (Sluiter, 1909) (original combination)
63. Species Polyclinum molle Herdman, 1886 accepted as Synoicum molle (Herdman, 1886) (original combination)
64. Species Polyclinum nigrum Herdman, 1899 accepted as Sigillina nigra (Herdman, 1899) (original combination)
65. Species Polyclinum nigrum Herdman, 1898 accepted as Sigillina nigra (Herdman, 1899) (unaccepted > nomen nudum)
66. Species Polyclinum pannosum Ritter, 1899 accepted as Aplidiopsis pannosum (Ritter, 1899) (original combination)
67. Species Polyclinum prunum Herdman, 1899 accepted as Synoicum prunum (Herdman, 1899) (original combination)
68. Species Polyclinum prunum Herdman, 1898 accepted as Synoicum prunum (Herdman, 1899) (unaccepted > nomen nudum)
69. Species Polyclinum pullum Sluiter, 1898 accepted as Trididemnum savignii (Herdman, 1886) (original combination)
70. Species Polyclinum pyriformis Herdman, 1886 accepted as Aplidiopsis pyriformis (Herdman, 1886) (original combination)
71. Species Polyclinum sabulosum Sluiter, 1909 accepted as Polyclinum psammiferum Hartmeyer, 1911 (junior homonym)
72. Species Polyclinum sabulosum Giard, 1872 accepted as Polyclinum aurantium Milne Edwards, 1841 (original combination)
73. Species Polyclinum snamoti Oka, 1927 accepted as Sidneioides snamoti (Oka, 1927) (original combination)
74. Species Polyclinum solum Kott, 1992 accepted as Polyclinum psammiferum Hartmeyer, 1911 (unnecessary replacement name)
75. Species Polyclinum sphaeroides Hartmeyer, 1909 accepted as Aplidiopsis pannosum (Ritter, 1899) (replacement name)
76. Species Polyclinum succineum Alder & Hancock, 1912 accepted as Aplidium turbinatum (Savigny, 1816) (original combination)
77. Species Polyclinum tsutsui Tokioka, 1954 accepted as Polyclinum tsutsuii Tokioka, 1954 (literature misspelling)
78. Species Polyclinum turbinatum Savigny, 1816 accepted as Aplidium turbinatum (Savigny, 1816) (original combination)
79. Species Polyclinum uranium Savigny, 1816 accepted as Polyclinum saturnium Savigny, 1816 (original combination)
80. Species Polyclinum clava Herdman, 1899 (uncertain > nomen dubium)
81. Species Polyclinum fuscum Herdman, 1899 (uncertain > nomen dubium)

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