sladeni Perrier, 1885, Caulaster Caulaster sladeni Perrier, 1885: 47; 1894: 208, pl. 15, fig. 2. Porcellanaster ceruleus ‒ Clark & Downey 1992: 100. CURRENT STATUS. — Porcellanaster coeruleus Wyville Thomson, 1877. TYPE MATERIAL. — Morocco • 1 syntype; station 30; off Moroccan coast; Talisman expedition; 1883; 32°38’N, 12°09’W; 1435 m; MNHN-IE-2014-336 • 1 syntype; same as for preceding; MNHN- IE-2014-158.Published as part of Jangoux, Michel, 2022, The type specimens of extant asteroids (Echinodermata) in the Muséum national d'Histoire naturelle of Paris, pp. 259-334 in Zoosystema 44 (11) on page 316, DOI: 10.5252/zoosystema2022v44a11, http://zenodo.org/record/661681