Fig 22 in Biodiversity and Biogeography of Chthamalid Barnacles from the North-Eastern Pacific (Crustacea Cirripedia)

Fig 22. Chthamalus panamensis from Avenida Amador, Naos Island, Panama. SEMs. A-C, maxilla. B, C, details of serrulate setae on tips of the two lobes of maxilla. D, E, maxillule, with detail of simple setae (E). F-H, mandible. G, details of the bidenticulate second, third and fourth teeth on the mandible. H-J, Mandible, with detail of pecten (I) and simple setae on outer margin (J). K, Pecten of mandible from additional specimen. L-N, Mandibular palp with details of serrulate setae on tip (M) and on superior margin (N). O, P, Labrum with detail of cutting edge (P). Scale bars in μm. doi:10.1371/journal.pone.0149556.g022