La liste qui suit comporte des espèces considérées comme valables par d'autres sources que l'ITIS, mais aussi les espèces synonymes, obsolètes ou déplacées,.
- Pentagonaster abnormalis Gray, 1866 — Pentagonaster pulchellus Gray 1840
- Pentagonaster acutus (Heller, 1863) — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster affinis Perrier, 1884 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster alexandri Perrier, 1881 — Rosaster alexandri (Perrier, 1881)
- Pentagonaster ammophilus Fisher, 1906 — Sphaeriodiscus ammophilus Fisher, 1906
- Pentagonaster annandalei Koehler 1909 — Pillsburiaster annandalei (Koehler, 1909)
- Pentagonaster arcuatus Sladen, 1889 — Mediaster arcuatus (Sladen, 1889)
- Pentagonaster arenatus Perrier, 1881 — Nymphaster arenatus (Perrier, 1881)
- Pentagonaster astrologorum Perrier, 1875 — Tosia australis Gray, 1840
- Pentagonaster attenuatus von Martens, 1895 — Hacelia attenuata Gray, 1840
- Pentagonaster auratus (Gray, 1847) — Tosia magnifica (Muller & Troschel, 1842)
- Pentagonaster australis Perrier, 1875 — Tosia australis Gray, 1840
- Pentagonaster austrogranularis Perrier, 1891 — Ceramaster patagonicus (Sladen, 1889)
- Pentagonaster austro-granularis Perrier, 1888
- Pentagonaster balteatus Sladen, 1891 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster belcheri Perrier, 1878 — Stellaster equestris (Retzius, 1805)
- Pentagonaster belli Studer, 1884 — Odontaster penicillatus (Philippi, 1870)
- Pentagonaster borealis (Barrett, 1857) — Ceramaster granularis (Retzius, 1783)
- Pentagonaster childreni Perrier, 1875 — Calliaster childreni Gray, 1840
- Pentagonaster concinnus Sladen, 1891 — Plinthaster dentatus (Perrier, 1884)
- Pentagonaster coppingeri Bell, 1884 — Goniodiscaster rugosus (Perrier, 1875)
- Pentagonaster crassimanus (Möbius, 1859) — Pentagonaster duebeni Gray 1847
- Pentagonaster crassus Perrier, 1885 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster cuenoti Koehler, 1909 — Ceramaster cuenoti (Koehler, 1909)
- Pentagonaster dentatus Perrier, 1884 — Plinthaster dentatus (Perrier, 1884)
- Pentagonaster deplasi Perrier, 1885 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster dilatatus Perrier, 1875 — Diplodontias dilatatus (Perrier, 1875)
- Pentagonaster doederleini Koehler, 1909 — Plinthaster doederleini (Koehler, 1909)
- Pentagonaster duebeni Gray 1847
- Pentagonaster elegans Blake in Blake & Zinsmeister 1988
- Pentagonaster elongatus Perrier, 1885 — Paragonaster subtilis (Perrier, 1881)
- Pentagonaster emma Perrier, 1875 — Calliderma emma Gray, 1847
- Pentagonaster equestris Perrier, 1875 — Stellaster equestris (Retzius, 1805)
- Pentagonaster ernesti Ludwig, 1905 — Pillsburiaster ernesti (Ludwig, 1905)
- Pentagonaster eximius Verrill, 1894 — Ceramaster granularis (Retzius, 1783)
- Pentagonaster fallax Sladen, 1889 — Pseudarchaster parelii (Düben & Koren, 1846)
- Pentagonaster gosselini Perrier, 1884 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster grandis (Gray, 1847) — Tosia magnifica (Muller & Troschel, 1842)
- Pentagonaster grandis Perrier, 1885 — Plinthaster dentatus (Perrier, 1884)
- Pentagonaster granularis Danielssen and Koren, 1884 — Ceramaster granularis (Retzius, 1783)
- Pentagonaster granulatus Bell, 1905 — Toraster tuberculatus (Gray, 1847)
- Pentagonaster granulosus Perrier, 1878
- Pentagonaster greeni (Bell, 1889) — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster grenadensis Perrier, 1881 — Ceramaster grenadensis grenadensis (Perrier, 1881)
- Pentagonaster gunni Perrier, 1875 — Pentagonaster duebeni Gray 1847
- Pentagonaster haesitans Perrier, 1885 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster hispidus Perrier, 1878 — Poraniomorpha (Poraniomorpha) hispida (M. Sars, 1872)
- Pentagonaster hystricis von Marenzeller, 1893 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster inaequalis Sladen, 1889 — Sphaeriodiscus inaequalis (Gray, 1847)
- Pentagonaster incei Perrier, 1875 — Stellaster incei Gray, 1847
- Pentagonaster intermedius Perrier, 1884 — Litonotaster intermedius (Perrier, 1884)
- Pentagonaster investigatoris Alcock, 1893 — Plinthaster investigatoris (Alcock, 1893)
- Pentagonaster jacqueti Perrier in Milne-Edwards, 1882 — Nymphaster arenatus (Perrier, 1881)
- Pentagonaster japonica Sladen, 1889 — Ceramaster japonicus (Sladen, 1889)
- Pentagonaster kergroheni Koehler, 1895 — Ceramaster grenadensis (Perrier, 1881)
- Pentagonaster lamarcki Müller & Troschel, 1842 — Goniaster tessellatus (de Lamarck, 1816)
- Pentagonaster lepidus Sladen, 1889 — Hoplaster spinosus Perrier, in Milne-Edwards, 1882
- Pentagonaster longimanus Perrier, 1875 — Iconaster longimanus (Mobius, 1859)
- Pentagonaster magnificus Perrier, 1894 — Tosia magnifica (Muller & Troschel, 1842)
- Pentagonaster meridionalis E.A. Smith, 1879 — Odontaster meridionalis (E.A. Smith, 1876)
- Pentagonaster miliaris Perrier, 1875 — Diplodontias miliaris (Gray, 1847)
- Pentagonaster minimus Perrier, 1875 — Tosia australis Gray, 1840
- Pentagonaster minor Koehler, 1895 — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster mirabilis Perrier, 1875 — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster misakiensis Goto, 1914 — Ceramaster misakiensis (Goto, 1914)
- Pentagonaster moebii Studer, 1884 — Nymphaster moebii (Studer, 1884)
- Pentagonaster mortenseni Koehler, 1909 — Ceramaster mortenseni (Koehler, 1909)
- Pentagonaster muelleri Perrier, 1875 — Ogmaster capella (Müller & Troschel, 1842)
- Pentagonaster nidarosiensis Storm, 1888 — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster nobilis Perrier, 1894 — Tosia australis Gray, 1840
- Pentagonaster œminor Kühler, 1895 — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster ornatus Müller & Troschel, 1842 — Tosia magnifica (Muller & Troschel, 1842)
- Pentagonaster parvus Perrier, 1881 — Pawsonaster parvus (Perrier, 1881)
- Pentagonaster patagonicus Sladen, 1889 — Ceramaster patagonicus (Sladen, 1889)
- Pentagonaster paxillosus Perrier, 1875 — Diplodontias paxillosus (Gray, 1847)
- Pentagonaster paxillosus Bell, 1881 — Odontaster penicillatus (Philippi, 1870)
- Pentagonaster pedicellaris Perrier, 1884 — Mediaster pedicellaris (Perrier, 1881)
- Pentagonaster perrieri Sladen, 1889 — Plinthaster dentatus (Perrier, 1884)
- Pentagonaster placenta — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster planus Verrill, 1895 — Peltaster placenta (Müller & Troschel, 1842)
- Pentagonaster pulchellus Gray 1840
- Pentagonaster pulvinus Alcock, 1893
- Pentagonaster semilunatus (von Martens, 1866) — Goniaster tessellatus (de Lamarck, 1816)
- Pentagonaster simplex Verrill, 1895 — Ceramaster granularis granularis (Retzius, 1783)
- Pentagonaster singularis Perrier, 1875 — Diplodontias singularis (Müller and Troschel, 1843)
- Pentagonaster spinulosus (Gray, 1847) — Culcita novaeguineae Müller & Troschel, 1842
- Pentagonaster squamulosus Studer, 1884 — Stellaster squamulosus (Studer, 1884)
- Pentagonaster stibarus H.L. Clark, 1914
- Pentagonaster subspinosus Perrier, 1881 — Nymphaster arenatus (Perrier, 1881)
- Pentagonaster ternalis Perrier, 1881 — Nymphaster arenatus (Perrier, 1881)
- Pentagonaster tubercularis (Gray, 1847) — Tosia australis Gray, 1840
- Pentagonaster tuberculosus Perrier, 1878 — Stellaster tuberculosus (Martens, 1865)
- Pentagonaster validus Bell, 1884 — Goniodiscaster pleyadella (Lamarck, 1816)
- Pentagonaster verrucosus Perrier, 1878 — Cycethra verrucosa (Philippi, 1857)
- Pentagonaster vincenti Perrier, 1885 — Peltaster placenta (Müller & Troschel, 1842)
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