FIGURE 21 in Description of five new coral associated Barnacles of the genus Trevathana (Balanomorpha: Pyrgomatidae) in Pacific Waters

FIGURE 21. Trevathana dongshaensis sp. nov. cirrus III–IV. (ASIZCR000355) (A) Cirrus III. (B) Posterior rami of cirrus III. (C) Anterior ramus of cirrus III. (D) Conical spines on apex of posterior ramus of cirrus III (indicated by White arroWs). (E) Serrulate setae on posterior ramus of cirrus III. (F) Cirrus IV. (G) Intermediate segment With 4 pairs of serrulate setae on cirrus IV. (H) Serrulate setae on apex of rami of cirrus IV. Scale bars in µm.