Betelgeusia brezinai Blake, Halligan & Larson, 2018 †
Betelgeusia exposita Blake & Jagt, 2005 †
Betelgeusia orientalis Blake & Reboul, 2011 †
Betelgeusia reidi Blake & Reid, 1998 †
Mimaster cognatus Sladen, 1889 accepted as Mimastrella cognata (Sladen, 1889)
Mimaster gracilis H.L. Clark, 1916 accepted as Radiaster gracilis (H.L. Clark, 1916)
Mimaster notabilis Fisher, 1913 accepted as Radiaster notabilis (Fisher, 1913)
Mimaster swifti Fisher, 1905 accepted as Gephyreaster swifti (Fisher, 1905)
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)