Sinularia polydactyla (Ehrenberg, 1834) is re-described and a lectotype assigned. This led to examination of related material from various Indo-Pacific regions. Consequently, Sinularia levi sp. n. is described from Eilat, Israel (Gulf of Aqaba, northern Red Sea) and Sinularia compressa Tixier-Durivault, 1945 and Sinularia candidula Verseveldt and Benayahu, 1983 are synonymized with Sinularia polydactyla. Additional specimens identified in the literature as Sinularia polydactyla are provisionally reassigned to other taxa.
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