Noted as nomen nuda in A.M. Clark (1989) But synonymous with Caulaster semimarginalis according to Mironov et al. (2023) [details]
Syn of Porcellanaster caeruleus synonym according to Madsen (1961) but transferred to Caulaster by Mironov et al. ... [details]
Transferred to Caulaster from Porcellanaster caeruleus by Mironov et al. (2023) [details]
Synonym according to Ludwig (1907) but reinstated by Mironov et al. (2023) [details]
Synonym according to Doderlein (1921) but reinstated by Mironov et al. (2023) [details]
Synonymized by Mironov et al. (2023) [details]
Synonymized with P. caeruleus according to Madsen (1961) but reinstated by Mironov et al. (2023) [details]
Synonymized with P. caeruleus according to Doderlein (1921) but synonymized with Caulaster pedunculatus by Mironov ... [details]
A synonym according of P. caeruleus according to Madsen (1961) but treated as possibly valid by Mironov et al. (2023) [details]
Albatrossaster is a substitute name for Albatrossia Ludwig, 1905, to avoid confusion with Albatrossa (Aves), so ... [details]