Asteroidea Taxon list
Mediaster abyssi Ludwig, 1905 accepted as Mediaster elegans Ludwig, 1905 accepted as Bathyceramaster elegans (Ludwig, 1905)
Mediaster aequalis Stimpson, 1857
Mediaster agassizi Verrill, 1899 accepted as Mediaster pedicellaris (Perrier, 1881)
Mediaster arcuatus (Sladen, 1889)
Mediaster australiensis H.L. Clark, 1916
Mediaster bairdi (Verrill, 1882)
Mediaster bairdi bairdi (Verrill, 1882)
Mediaster bairdi capensis (H.L. Clark, 1923)
Mediaster boardmani (Livingstone, 1934)
Mediaster brachiatus Goto, 1914
Mediaster capensis H.L. Clark, 1923
Mediaster capensis capensis H.L. Clark, 1923
Mediaster capensis durbanensis Mortensen, 1933
Mediaster capensis var. durbanensis Mortensen, 1933 accepted as Mediaster capensis durbanensis Mortensen, 1933
Mediaster dawsoni McKnight, 1973 accepted as Mediaster arcuatus (Sladen, 1889)
Mediaster elegans Ludwig, 1905 accepted as Bathyceramaster elegans (Ludwig, 1905)
Mediaster florifer (Alcock, 1893) accepted as Rosaster florifer (Alcock, 1893)
Mediaster gartrelli H.E.S. Clark, 2001
Mediaster hayi Blake, 1986 †
Mediaster japonicus (Sladen, 1889) accepted as Ceramaster japonicus (Sladen, 1889)
Mediaster mollis Mah, 2018
Mediaster monacanthus H.L. Clark, 1916 accepted as Nectriaster monacanthus (H.L. Clark, 1916)
Mediaster murrayi Macan, 1938
Mediaster ornatus Fisher, 1906
Mediaster patagonicus (Sladen, 1889) accepted as Ceramaster patagonicus (Sladen, 1889)
Mediaster pedicellaris (Perrier, 1881)
Mediaster praestans Livingstone, 1933
Mediaster roanae Mah, 2018
Mediaster roseus Alcock, 1893 accepted as Pseudarchaster roseus (Alcock, 1893)
Mediaster setosus Mah, 2018
Mediaster sladeni Benham, 1909
Mediaster stellatus Perrier, 1891 accepted as Mediaster bairdi (Verrill, 1882)
Mediaster tenellus Fisher, 1905
Mediaster transfuga Ludwig, 1905
Mediaster trinadensis Bernasconi, 1957 accepted as Mediaster pedicellaris (Perrier, 1881)