Micrographs of Thermiphione rapanui sp. n. holotype (SIO-BIC A8557) and paratype (SIO-BIC A7971), stained with Shirlastain-A. Scale bars in A–C represent 1 mm, and scale bars in D–E represent 0.25 mm. A Dorsal view of anterior with 2 pairs of scales removed, holotype B Ventral view of anterior showing palps tentaculophore and cirri, paratype. C Ventral view of anterior with pharynx everted and jaws visible, holotype D Magnified dorsal view of anterior right side, holotype. Abbreviations as follows: e, elytrophore; p, palp; t, tentaculophore; eac, enlarged anterior cirrus E Magnified ventral view of left anterior parapodia and ventral cirri on segments 2 and 3, holotype. Abbreviations: bc, buccal cirrus; vc, ventral cirrus.