Fig. 23 in Four new sponge-inhabiting barnacles of the genus Acasta (Thoracica: Archaeobalanidae: Acastinae) from the Indo-Pacific

Fig. 23. Acasta sandwichi sp. nov., opercular plates and basis (holotype: A–H, paratype: I). A, B, Right scutum, external and internal view; C, D, Left scutum, external and internal view; E, F, Left tergum, external and internal view; G, H, Right tergum, external and internal view; I, Basis, internal view. Scale bars in µm.