original description
Döderlein, L. (1926). Ueber Asteriden aus dem Museum von Stockholm. <em>Kungl. Svenska Vetenskapsakademiens Handlingar, Tredje Serien.</em> Band 2, No. 6. 22 pp, 4 pls. [details]
source of synonymy
Döderlein, L. (1936). Die Asteriden der Siboga-Exped. III. Die unterfamile Oreasterinae. Siboga-Expedition, 46(2): 295-369, pls. 21-32., available online at http://www.biodiversitylibrary.org/page/11718319#page/413/mode/1up [details]
From editor or global species database
Synonymy conspecific with Pentaceraster australis according to Doderlein (1936), presumably also Oreaster australis Lutken, 1871 so a synonym of P. regulus (Muller & Troschel, 1842). But omitted from synonymy of P. regulus and bracketted in index, as if a lapsus, by Doderlein (1936) [details]