IRMNG Taxon list
- Mimaster cognatus Sladen, 1889 accepted as Mimastrella cognata (Sladen, 1889)
- Mimaster gracilis H.L. Clark, 1916
- Mimaster notabilis Fisher, 1913 accepted as Radiaster notabilis (Fisher, 1913)
- Mimaster tizardi Sladen, 1882 accepted as Radiaster tizardi (Sladen, 1882)
- Radiaster elegans Perrier, 1881
- Radiaster gracilis (H.L. Clark, 1916)
- Radiaster notabilis (Fisher, 1913)
- Radiaster rowei H.E.S. Clark & D.G. McKnight, 2000
- Radiaster tizardi (Sladen, 1882)
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