IRMNG Taxon list
- Periaster fragilis (Düben & Koren, 1844) † accepted as Brisaster fragilis (Düben & Koren, 1844)
- Periaster fragilis A. Agassiz & H.L. Clark, 1907 † accepted as Hypselaster fragilis (A. Agassiz & H.L. Clark, 1907)
- Periaster gibberulus (L. Agassiz & Desor, 1847) † accepted as Schizaster gibberulus L. Agassiz & Desor, 1847
- Periaster kempi Koehler, 1914 † accepted as Hypselaster kempi (Koehler, 1914)
- Periaster limicola A. Agassiz, 1878 † accepted as Hypselaster limicolus (A. Agassiz, 1878)
- Periaster maximus A. Agassiz & H.L. Clark, 1907 † accepted as Hypselaster maximus (A. Agassiz & H.L. Clark, 1907)
- Periaster rotundus A. Agassiz & H.L. Clark, 1907 † accepted as Hypselaster rotundus (A. Agassiz & H.L. Clark, 1907)
- Periaster tenuis A. Agassiz, 1898 † accepted as Holanthus tenuis (A. Agassiz, 1898)
- Periaster undulatus †
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