Albatrossaster Ludwig, 1907 accepted as
Caulaster Perrier, 1882 (original description)
Albatrossaster nudus Ludwig, 1907 (original description)
Eremicaster Fisher, 1905 (new combination reference)
Eremicaster vicinus Ludwig, 1907 (original description)
Pectinidiscus Ludwig, 1907 (original description)
Pectinidiscus annae Ludwig, 1907 (original description)
Porcellanaster vicinus Ludwig, 1907 accepted as
Eremicaster vicinus Ludwig, 1907 (original description)
Styracaster caroli Ludwig, 1907 (original description)
Styracaster chuni Ludwig, 1907 (original description)
Styracaster monacanthus Ludwig, 1907 (original description)
Styracaster paucispinus Ludwig, 1907 (original description)
Thoracaster magnus Ludwig, 1907 accepted as
Thoracaster cylindratus Sladen, 1883 (original description)
New combination
Considered a synonym of P. caeruleus according to Lieberkind (1935) but accepted as P. sladeni by Mironov et al. (2023) [details]