Distribution of Cinachyrella porosa. Red dot: type locality, Spiretta porosa Lendenfeld, 1888, Port Denison, Queensland, Australia. Green dots: Indonesian localities where the species was collected recently. Circled numbers: type localities of synonymized species 1 Cinachyra malaccensis Sollas, 1902, Malacca Strait, Malaysia 2 Tetilla anomala Dendy, 1905, Chilaw, Sri Lanka 3 Cinachyra albatridens Lendenfeld, 1907, Diego Garcia, Chagos Archipelago 4 Cinachyra albaobtusa Lendenfeld, 1907, Anachoreten (=Keniet) Islands, Papua New Guinea 5 Cinachyra albabidens Lendenfeld, 1907, Tonga Islands 6 Tethya clavigera Hentschel, 1912, Aru Island, Indonesia.