Polyp images of Antipathozoanthus obscurus sp. n., A. remengesaui sp. n. and A. cavernus sp. n. in situ. a A. obscurus sp. n. . NSMT-Co1602 (MISE-BISE1), Collected from Cape Bise, Motobu, Okinawa-jima Island, Japan (26°42'34.4"N, 127°52'49.2"E) at a depth of 5 m by JDR, 14 August 2014. b A. obscurus sp. n., closed polyp with heavy encrustion by various fine sand particles. MISE-TF54, collected from Cape Zanpa, Yomitan, Okinawa-jima Island, Japan (26°26'26.5"N, 127°42'43.7"E) at a depth of 3 m by TF, 6 April 2009. c A. remengesaui sp. n., colony connected by poorly developed coenenchyme with white polyps on Antipathes sp. NSMT-Co1603 (MISE-PALAU2) collected from Blue Hole, Palau (7°8'29.4"N, 134°13'23.3"E) at a depth of 23 m by JDR, 15 September 2014 d A. cavernus sp. n., polyp connected by highly developed coenenchyme with orange ring around oral disk. RMNH.Coel.42322 (MISE-PALAU5) collected from Siaes Tunnel, Palau (7°18'54.8"N, 134°13'13.3"E) at a depth of 39 m by JDR, 1 September 2014.