1. Species Astrogonium abnormale (Gray, 1866) accepted as Pentagonaster pulchellus Gray, 1840 (Synonym accoridng to Mortensen (1925))
2. Species Astrogonium aculeatum Barrett, 1857 accepted as Hippasteria phrygiana (Parelius, 1768) (synonym)
3. Species Astrogonium aequabile Koehler, 1907 accepted as Pseudarchaster gracilis (Sladen, 1889) (Synonym according to Downey (1973).)
4. Species Astrogonium annectens Perrier, 1894 accepted as Pseudarchaster parelii (Düben & Koren, 1846) (Synonym according to Koehler (1909))
5. Species Astrogonium aphrodite Perrier, 1894 accepted as Pseudarchaster gracilis (Sladen, 1889)
6. Species Astrogonium articulatum Valenciennes (MS) in Perrier, 1869 accepted as Anthenea pentagonula (Lamarck, 1816)
7. Species Astrogonium astrologorum Muller & Troschel, 1842 accepted as Tosia australis Gray, 1840 (Synonym)
8. Species Astrogonium australe Müller & Troschel, 1842 accepted as Tosia magnifica (Muller & Troschel, 1842) (Synonym according to A.M. Clark (1953))
9. Species Astrogonium boreale Barrett, 1857 accepted as Ceramaster granularis (Retzius, 1783) (Synonym according to Sladen (1889))
10. Species Astrogonium bourgeti Sladen, 1889 accepted as Sphaeriodiscus bourgeti (Perrier, 1885)
11. Species Astrogonium crassimanum Möbius, 1859 accepted as Pentagonaster duebeni Gray, 1847 (Synonym according to A.M. Clark (1953))
12. Species Astrogonium cuspidatum (Gray, 1840) accepted as Goniaster tessellatus (Lamarck, 1816) (Synonym according to Halpern (1970))
13. Species Astrogonium discus (Sladen, 1889) accepted as Pseudarchaster discus Sladen, 1889
14. Species Astrogonium dubium Perrier, 1869 accepted as Goniaster tessellatus (Lamarck, 1816) (Synonym according to Sladen (1889))
15. Species Astrogonium duebeni (Gray, 1847) accepted as Pentagonaster duebeni Gray, 1847 (subsequent combination of P. duebeni)
16. Species Astrogonium emilii Perrier, 1869 accepted as Tosia magnifica (Muller & Troschel, 1842) (Synonym according to A.M. Clark (1953))
17. Species Astrogonium eminens Koehler, 1907 accepted as Pseudarchaster gracilis (Sladen, 1889)
18. Species Astrogonium fallax Perrier, 1885 accepted as Pseudarchaster parelii (Düben & Koren, 1846) (Synonym according to Halpern (1972))
19. Species Astrogonium fonki Philippi, 1858 accepted as Glabraster antarctica magellanica (Studer, 1876) accepted as Glabraster antarctica (E. A. Smith, 1876) (Synonym)
20. Species Astrogonium geometricum Müller & Troschel, 1842 accepted as Tosia australis Gray, 1840 (Synonym according to Ludwig (1912))
21. Species Astrogonium gracile Perrier, 1894 accepted as Pseudarchaster gracilis (Sladen, 1889) (unaccepted > nomen nudum)
22. Species Astrogonium granulare Müller & Troschel, 1842 accepted as Ceramaster granularis (Retzius, 1783)
23. Species Astrogonium greeni Bell, 1889 accepted as Ceramaster greeni (Bell, 1889) accepted as Ceramaster grenadensis (Perrier, 1881) (synonym according to Halpern in Downey (1973))
24. Species Astrogonium gunni Sladen, 1889 accepted as Pentagonaster duebeni Gray, 1847 (Synonym according to A.M. Clark (1953))
25. Species Astrogonium huttoni Farquhar, 1897 (unaccepted > nomen nudum, undescribed & provisional.)
26. Species Astrogonium hystrix Perrier, 1894 accepted as Pseudarchaster hystrix (Perrier, 1894) accepted as Pseudarchaster parelii (Düben & Koren, 1846) (Original name, ultimately a synonym of P. parelii according to Halpern (1972))
27. Species Astrogonium inaequale Gray, 1847 accepted as Sphaeriodiscus inaequalis (Gray, 1847)
28. Species Astrogonium intermedium (Sladen, 1889) accepted as Pseudarchaster parelii (Düben & Koren, 1846) (Synonym according to Fisher (1911))
29. Species Astrogonium jordani (Fisher, 1906) accepted as Pseudarchaster jordani Fisher, 1906
30. Species Astrogonium lamarcki Müller & Troschel, 1842 accepted as Pentagonaster lamarcki (Müller & Troschel, 1842) accepted as Goniaster tessellatus (Lamarck, 1816)
31. Species Astrogonium longimanus Möbius, 1859 accepted as Iconaster longimanus (Möbius, 1859) (original name)
32. Species Astrogonium longobrachiale Koehler, 1907 accepted as Pseudarchaster parelii (Düben & Koren, 1846) (synonym)
33. Species Astrogonium magnificum Müller & Troschel, 1842 accepted as Tosia magnifica (Muller & Troschel, 1842)
34. Species Astrogonium marginatum Koehler, 1909 accepted as Pseudarchaster gracilis (Sladen, 1889) (Synonym according to Halpern (1972))
35. Species Astrogonium meridionale E. A. Smith, 1876 accepted as Odontaster meridionalis (E. A. Smith, 1876)
36. Species Astrogonium miliare Gray, 1847 accepted as Pentagonaster miliaris (Gray, 1847) accepted as Diplodontias miliaris (Gray, 1847)
37. Species Astrogonium mozaicum (Wood-Mason & Alcock, 1891) accepted as Pseudarchaster mozaicus Wood-Mason & Alcock, 1891
38. Species Astrogonium necator Perrier, 1894 accepted as Pseudarchaster gracilis (Sladen, 1889) (Synonym according to Downey (1973).)
39. Species Astrogonium nobile Müller & Troschel, 1843 accepted as Tosia nobilis (Muller & Troschel, 1843) accepted as Tosia australis Gray, 1840
40. Species Astrogonium ornatum Müller & Troschel, 1842 accepted as Pentagonaster ornatus (Müller & Troschel, 1842) accepted as Tosia magnifica (Muller & Troschel, 1842) (Synonym according to A.M. Clark (1953))
41. Species Astrogonium parelii (Düben & Koren, 1846) accepted as Pseudarchaster parelii (Düben & Koren, 1846)
42. Species Astrogonium patagonicum Perrier, 1891 accepted as Pseudarchaster discus Sladen, 1889 (Synonym according to Fisher (1940))
43. Species Astrogonium paxillosum Gray, 1847 accepted as Pentagonaster paxillosus (Gray, 1847) accepted as Diplodontias paxillosus (Gray, 1847)
44. Species Astrogonium phrygianum (Parelius, 1768) accepted as Hippasteria phrygiana (Parelius, 1768) (subsequent name by Muller & Troschel, 1842)
45. Species Astrogonium pretiosus Döderlein, 1902 accepted as Dipsacaster pretiosus (Döderlein, 1902) (Synonym)
46. Species Astrogonium pulchellum (Gray, 1840) accepted as Pentagonaster pulchellus Gray, 1840 (Subsequent combination)
47. Species Astrogonium roseum (Alcock, 1893) accepted as Pseudarchaster roseus (Alcock, 1893)
48. Species Astrogonium rugosum Hutton, 1872 accepted as Diplodontias miliaris (Gray, 1847) (Synonym according to Mortensen (1925))
49. Species Astrogonium semilunatus (von Martens, 1866) accepted as Goniaster tessellatus (Lamarck, 1816) (Synonym according to Halpern (1970))
50. Species Astrogonium souleyeti Dujardin & Hupé, 1862 accepted as Iconaster longimanus (Möbius, 1859) (synonym according to Lutken (1871))
51. Species Astrogonium tessellatum (Sladen, 1889) accepted as Pseudarchaster tessellatus Sladen, 1889
52. Species Astrogonium tuberculatum Gray, 1847 accepted as Toraster tuberculatus (Gray, 1847) (synonym)

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