1. Species Pentagonaster duebeni Gray, 1847
2. Species Pentagonaster gibbosus Perrier, 1875
3. Species Pentagonaster pulchellus Gray, 1840
4. Species Pentagonaster stibarus H.L. Clark, 1914
5. Species Pentagonaster abnormalis Gray, 1866 accepted as Pentagonaster pulchellus Gray, 1840 (synonym according to Mortensen (1925))
6. Species Pentagonaster abyssalis Ludwig in Chun, 1900 (unaccepted > nomen nudum, Cited in Chun but not seen in subsequent literature. )
7. Species Pentagonaster acutus (Heller, 1863) accepted as Peltaster placenta (Müller & Troschel, 1842) (A synonym according to Ludwig (1897))
8. Species Pentagonaster affinis Perrier, 1884 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Halpern (1970))
9. Species Pentagonaster alexandri Perrier, 1881 accepted as Rosaster alexandri (Perrier, 1881) (basionym)
10. Species Pentagonaster ammophilus Fisher, 1906 accepted as Sphaeriodiscus ammophilus (Fisher, 1906) (Synonym according to Halpern (1970))
11. Species Pentagonaster annandalei Koehler, 1909 accepted as Pillsburiaster annandalei (Koehler, 1909)
12. Species Pentagonaster arcuatus Sladen, 1889 accepted as Mediaster arcuatus (Sladen, 1889)
13. Species Pentagonaster arenatus Perrier, 1881 accepted as Nymphaster arenatus (Perrier, 1881) (synonym)
14. Species Pentagonaster astrologorum (Muller & Troschel, 1842) accepted as Tosia australis Gray, 1840 (A forma according to A.M. Clark (1953).)
15. Species Pentagonaster attenuatus von Martens, 1895 accepted as Hacelia attenuata Gray, 1840 (lapsus for Ophidiaster (=Hacelia) attenuatus )
16. Species Pentagonaster auratus (Gray, 1847) accepted as Tosia magnifica (Muller & Troschel, 1842) (Synonym according to A.M. Clark (1953))
17. Species Pentagonaster australis (Gray, 1840) accepted as Tosia australis Gray, 1840 (Subsequent name of Tosia australis Gray 1840 as designated by Perrier, 1875)
18. Species Pentagonaster austrogranularis Perrier, 1891 accepted as Ceramaster patagonicus (Sladen, 1889) (Synonym according to Madsen (1956))
19. Species Pentagonaster austrogranularis Perrier, 1888 (unaccepted > nomen nudum)
20. Species Pentagonaster austro-granularis Perrier, 1888 (unaccepted > nomen nudum)
21. Species Pentagonaster balteatus Sladen, 1891 accepted as Ceramaster grenadensis (Perrier, 1881) (synonym)
22. Species Pentagonaster belcheri Perrier, 1878 accepted as Stellaster belcheri Gray, 1847 accepted as Stellaster equestris (Bruzelius, 1805) accepted as Stellaster childreni Gray, 1840 (A forma according to Doderlein (1935))
23. Species Pentagonaster belli Studer, 1884 accepted as Odontaster penicillatus (Philippi, 1870) (Synonym according to Madsen (1956))
24. Species Pentagonaster borealis (Barrett, 1857) accepted as Ceramaster granularis (Retzius, 1783) (A synonym according to Sladen (1889))
25. Species Pentagonaster childreni (Gray, 1840) accepted as Calliaster childreni Gray, 1840
26. Species Pentagonaster concinnus Sladen, 1891 accepted as Plinthaster dentatus (Perrier, 1884) (Synonym according to Halpern (1970))
27. Species Pentagonaster coppingeri Bell, 1884 accepted as Goniodiscaster rugosus (Perrier, 1875)
28. Species Pentagonaster crassimanus (Möbius, 1859) accepted as Pentagonaster duebeni Gray, 1847 (Synonym according to A.M. Clark (1953))
29. Species Pentagonaster crassus Perrier, 1885 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Downey (1973) and Halpern (1970, PhD dissertation).)
30. Species Pentagonaster cuenoti Koehler, 1909 accepted as Ceramaster cuenoti (Koehler, 1909) accepted as Pillsburiaster cuenoti (Koehler, 1909)
31. Species Pentagonaster dentatus Perrier, 1884 accepted as Plinthaster dentatus (Perrier, 1884) (original combination)
32. Species Pentagonaster deplasi Perrier, 1885 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Downey (1973) and Halpern (1970, PhD dissertation).)
33. Species Pentagonaster dilatatus Perrier, 1875 accepted as Diplodontias dilatatus (Perrier, 1875)
34. Species Pentagonaster döderleini Koehler, 1909 accepted as Plinthaster döderleini (Koehler, 1909) accepted as Pillsburiaster döderleini (Koehler, 1910)
35. Species Pentagonaster elongatus Perrier, 1885 accepted as Paragonaster subtilis (Perrier, 1881) (Synonym according to Downey (1973) and Halpern (1970, PhD dissertation).)
36. Species Pentagonaster emma (Gray, 1847) accepted as Calliderma emma Gray, 1847
37. Species Pentagonaster equestris (Bruzelius, 1805) accepted as Stellaster equestris (Bruzelius, 1805) accepted as Stellaster childreni Gray, 1840
38. Species Pentagonaster ernesti Ludwig, 1905 accepted as Pillsburiaster ernesti (Ludwig, 1905)
39. Species Pentagonaster excellens Ludwig in Chun, 1900 (unaccepted > nomen nudum, Only mentioned in Chun 1900, never described.)
40. Species Pentagonaster eximius Verrill, 1894 accepted as Ceramaster granularis (Retzius, 1783) (Synonym according to Halpern (1970-PhD Dissertation))
41. Species Pentagonaster fallax (Perrier, 1885) accepted as Pseudarchaster fallax (Perrier, 1885) accepted as Pseudarchaster parelii (Düben & Koren, 1846)
42. Species Pentagonaster gosselini Perrier, 1885 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Downey (1973) and Halpern (1970, PhD dissertation).)
43. Species Pentagonaster grandis (Gray, 1847) accepted as Tosia magnifica (Muller & Troschel, 1842) (Synonym according to A.M. Clark (1953))
44. Species Pentagonaster grandis Perrier, 1885 accepted as Plinthaster dentatus (Perrier, 1884) (synonym)
45. Species Pentagonaster granularis (Retzius, 1783) accepted as Ceramaster granularis (Retzius, 1783)
46. Species Pentagonaster granulosus Perrier, 1875 (unaccepted > nomen nudum)
47. Species Pentagonaster greeni (Bell, 1889) accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Halpern (1970-PhD Dissertation) and in Downey (1973))
48. Species Pentagonaster grenadensis Perrier, 1881 accepted as Ceramaster grenadensis grenadensis (Perrier, 1881) (synonym)
49. Species Pentagonaster gunni Perrier, 1875 accepted as Pentagonaster duebeni Gray, 1847 (A forma according to A.M. Clark (1953).)
50. Species Pentagonaster haesitans Perrier, 1885 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Halpern (1970-PhD Dissertation) and in Downey (1973))
51. Species Pentagonaster hispidus (M. Sars, 1872) accepted as Poraniomorpha (Poraniomorpha) hispida (M. Sars, 1872)
52. Species Pentagonaster hystricis von Marenzeller, 1893 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Halpern (1970-PhD Dissertation) and in Downey (1973))
53. Species Pentagonaster inaequalis (Gray, 1847) accepted as Sphaeriodiscus inaequalis (Gray, 1847)
54. Species Pentagonaster incei (Gray, 1847) accepted as Stellaster incei Gray, 1847 accepted as Goniaster incei (Gray, 1847) accepted as Stellaster equestris (Bruzelius, 1805) accepted as Stellaster childreni Gray, 1840 (A forma according to Doderlein (1935))
55. Species Pentagonaster incertus Bell, 1908 accepted as Pergamaster incertus (Bell, 1908)
56. Species Pentagonaster intermedius Perrier, 1884 accepted as Litonotaster intermedius (Perrier, 1884) (original combination)
57. Species Pentagonaster investigatoris Alcock, 1893 accepted as Plinthaster investigatoris (Alcock, 1893) accepted as Pillsburiaster investigatoris (Alcock, 1893)
58. Species Pentagonaster jacqueti Perrier in Milne-Edwards, 1882 accepted as Dorigona jacqueti Perrier in Milne-Edwards, 1882 accepted as Nymphaster arenatus (Perrier, 1881) (A synonym according to Macan (1938))
59. Species Pentagonaster japonicus Sladen, 1889 accepted as Ceramaster japonicus (Sladen, 1889)
60. Species Pentagonaster kergroheni Koehler, 1895 accepted as Ceramaster grenadensis (Perrier, 1881) (Synonym according to Halpern (1970-PhD Dissertation) and in Downey (1973))
61. Species Pentagonaster lamarcki (Müller & Troschel, 1842) accepted as Goniaster tessellatus (Lamarck, 1816) (Synonym)
62. Species Pentagonaster lepidus Sladen, 1889 accepted as Hoplaster spinosus Perrier in Milne-Edwards, 1882 (synonym according to Verrill (1899) and confirmed by A.M. Clark in Gage et al. (1983))
63. Species Pentagonaster longimanus (Möbius, 1859) accepted as Iconaster longimanus (Möbius, 1859) (Subsequent name/combination used by Perrier 1875: 228)
64. Species Pentagonaster magnificus (Muller & Troschel, 1842) accepted as Tosia magnifica (Muller & Troschel, 1842)
65. Species Pentagonaster meridionalis (E. A. Smith, 1879) accepted as Odontaster meridionalis (E. A. Smith, 1876)
66. Species Pentagonaster miliaris (Gray, 1847) accepted as Diplodontias miliaris (Gray, 1847)
67. Species Pentagonaster minimus Perrier, 1875 accepted as Tosia australis Gray, 1840 (synonym)
68. Species Pentagonaster minor Koehler, 1895 accepted as Peltaster placenta (Müller & Troschel, 1842) (Synonym according to Ludwig (1897))
69. Species Pentagonaster mirabilis Perrier, 1875 accepted as Peltaster placenta (Müller & Troschel, 1842) (synonym according to Ludwig (1897))
70. Species Pentagonaster misakiensis Goto, 1914 accepted as Ceramaster misakiensis (Goto, 1914) accepted as Pseudoceramaster misakiensis (Goto, 1914)
71. Species Pentagonaster moebii Studer, 1884 accepted as Nymphaster moebii (Studer, 1884)
72. Species Pentagonaster mortenseni Koehler, 1909 accepted as Ceramaster mortenseni (Koehler, 1909)
73. Species Pentagonaster muelleri (von Martens, 1865) accepted as Ogmaster capella (Müller & Troschel, 1842) (synonym according to Fisher (1919))
74. Species Pentagonaster nidarosiensis (Storm, 1881) accepted as Peltaster placenta (Müller & Troschel, 1842)
75. Species Pentagonaster nobilis (Muller & Troschel, 1843) accepted as Tosia australis Gray, 1840
76. Species Pentagonaster ornatus (Müller & Troschel, 1842) accepted as Tosia magnifica (Muller & Troschel, 1842) (A synonym according to A.M. Clark (1953))
77. Species Pentagonaster parvus Perrier, 1881 accepted as Pawsonaster parvus (Perrier, 1881)
78. Species Pentagonaster patagonicus Sladen, 1889 accepted as Ceramaster patagonicus (Sladen, 1889)
79. Species Pentagonaster paxillosus (Gray, 1847) accepted as Diplodontias paxillosus (Gray, 1847)
80. Species Pentagonaster pedicellaris Perrier, 1884 accepted as Mediaster pedicellaris (Perrier, 1881)
81. Species Pentagonaster perrieri Sladen, 1889 accepted as Plinthaster perrieri Sladen, 1889 accepted as Plinthaster dentatus (Perrier, 1884)
82. Species Pentagonaster planus Verrill, 1895 accepted as Peltaster placenta (Müller & Troschel, 1842) (synonym)
83. Species Pentagonaster pulvinus Alcock, 1893 accepted as Pseudoceramaster pulvinus (Alcock, 1893)
84. Species Pentagonaster semilunatus (von Martens, 1866) accepted as Goniaster tessellatus (Lamarck, 1816) (Synonym according to Halpern (1970))
85. Species Pentagonaster simplex Verrill, 1895 accepted as Ceramaster granularis granularis (Retzius, 1783) accepted as Ceramaster granularis (Retzius, 1783) (synonym)
86. Species Pentagonaster singularis (Müller & Troschel, 1843) accepted as Gnathaster singularis (Müller & Troschel, 1843) accepted as Diplodontias singularis (Müller & Troschel, 1843)
87. Species Pentagonaster spinulosus (Gray, 1847) accepted as Culcita novaeguineae Müller & Troschel, 1842 (Synonym according to Goto (1914))
88. Species Pentagonaster squamulosus Studer, 1884 accepted as Stellaster squamulosus (Studer, 1884)
89. Species Pentagonaster subspinosus Perrier, 1881 accepted as Dorigona subspinosa (Perrier, 1881) accepted as Nymphaster arenatus (Perrier, 1881) (synonym)
90. Species Pentagonaster ternalis Perrier, 1881 accepted as Dorigona ternalis (Perrier, 1881) accepted as Nymphaster arenatus (Perrier, 1881) (Synonym of N. arenatus according to Halpern (1970))
91. Species Pentagonaster tubercularis (Gray, 1847) accepted as Tosia australis Gray, 1840 (A synonym of Tosia nobilis (=T. australis) according to A.M. Clark (1953).)
92. Species Pentagonaster tuberculatus (Gray, 1847) accepted as Tosia tuberculata (Gray, 1847) accepted as Toraster tuberculatus (Gray, 1847)
93. Species Pentagonaster tuberculosus (von Martens, 1865) accepted as Stellaster tuberculosus (von Martens, 1865)
94. Species Pentagonaster validus Bell, 1884 accepted as Goniodiscaster pleyadella (Lamarck, 1816) (synonym according to H.L. Clark (1921))
95. Species Pentagonaster verrucosus (Philippi, 1857) accepted as Cycethra verrucosa (Philippi, 1857)
96. Species Pentagonaster vincenti Perrier, 1885 accepted as Peltaster placenta (Müller & Troschel, 1842) (Synonym according to Halpern (1970-PhD Dissertation) and in Downey (1973))

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