FIGURE 4. Balanodytes taiwanus Utinomi, 1950 in Acrothoracican barnacles (Lithoglyptida) in Taiwan, including the taxonomic status of Balanodytes taiwanus Utinomi, 1950 and cryptic diversity of Auritoglyptes bicornis (Aurivillius, 1892)

FIGURE 4. Balanodytes taiwanus Utinomi, 1950, terminal cirri and caudal appendages of female. (A) Posterior end of thorax with bases of terminal cirri and caudal appendages. (B) and (C) Caudal appendages, 2-segmented, without pedestal. (D) Terminal cirri and caudal appendages under scanning electron microscope (SEM), rear view. (E) and (F) Caudal appendages under SEM. (G) Rear view of terminal cirri under SEM. Abbreviations: ca—caudal appendages, tc1-4—terminal cirri, th— thorax. Scale bars in Μm.