FIGURE 3 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)

FIGURE 3. Acasta aspera sp. nov. Disassembled shell after bleach treatment showing separated plates and basis (Holotype). A, B, external and internal view of rostrum; C, E, external view of laterals; D, F, internal view of laterals; G, I, external view of carinolaterals; H, J, internal view of carinolaterals; K, L, external and internal view of carina; M, N, external and internal view of basis. Scale bar = 1 mm.