Aphroditaster gracilis Sladen, 1889 accepted as Pseudarchaster gracilis (Sladen, 1889)
Paragonaster cylindratus Sladen, 1889 accepted as Paragonaster subtilis (Perrier, 1881)
Paragonaster strictus Perrier, 1894 accepted as Paragonaster subtilis (Perrier, 1881)
Paragonaster subtilis (Perrier, 1881)
Pseudarchaster concinnus Verrill, 1894 accepted as Pseudarchaster gracilis (Sladen, 1889)
Pseudarchaster gracilis (Sladen, 1889)
Pseudarchaster gracilis gracilis (Sladen, 1889)
Pseudarchaster granuliferus Verrill, 1899 accepted as Pseudarchaster parelii (Düben & Koren, 1846)
Pseudarchaster hystrix (Perrier, 1894) accepted as Pseudarchaster parelii (Düben & Koren, 1846)
Pseudarchaster intermedius Sladen, 1889 accepted as Pseudarchaster parelii (Düben & Koren, 1846)
Pseudarchaster intermedius var. insignis Verrill, 1895 accepted as Pseudarchaster parelii (Düben & Koren, 1846)
Pseudarchaster ordinatus Verrill, 1899 accepted as Pseudarchaster gracilis (Sladen, 1889)
Pseudarchaster parelii (Düben & Koren, 1846)
Pseudarchaster tessellatus Sladen, 1889