Consistent differences in the presences of shallow and deep notches on the cutting edge of O. intermedia (A-C) CEL-Thai-359, Krabi, Thailand) and O. brunnea (D-F) (CEL-KT-131, Hai Kou, Taiwan), respectively. The notches in O. brunnea are much deeper, and three distinct regions can be seen along the cutting edge. Scale bars in μm.

 
 
  Part of: Chan BKK, Tsao YF, Ganmanee M (2020) Morphological and molecular evidence support the intertidal barnacle Octomeris intermedia Nilsson-Cantell, 1921 (Thoracica, Chthamalidae) as a valid species in Indo-Pacific waters. ZooKeys 914: 1-31. https://doi.org/10.3897/zookeys.914.49328