FIGURE 4 in Two new deep-sea stalked barnacles, Arcoscalpellum epeeum sp. nov. and Gymnoscalpellum indopacificum sp. nov., from the Coral Sea, with descriptions of the penis in Gymnoscalpellum dwarf males

FIGURE 4. Arcoscalpellum epeeum sp. nov. Holotype (MNHN-IU-2013-7431). A, Cirrus I. B, Serrulate setae on posterior ramus of cirrus I. C, Cirrus II. D, Intermediate segment of anterior ramus of cirrus II. E, Cirrus III. F, Intermediate segment of anterior ramus of cirrus III. G, Cirrus IV. H, Intermediate segment of anterior ramus of cirrus II. Scale bars in µm.