Fig 21 in Biodiversity and Biogeography of Chthamalid Barnacles from the North-Eastern Pacific (Crustacea Cirripedia)

Fig 21. Chthamalus panamensis from Avenida Amador, Naos Island, Panama. Light Micrographs. A, maxilla. B, maxillule. C. mandible. D, second to fourth teeth, pecten and inferior angle of mandible. E- F, mandibular palp, with details ofserrulate setae on superior margin of mandibular palp (F). G, labrum. H, cutting margin of labrum showing the fine teeth. Scale bars in μm. doi:10.1371/journal.pone.0149556.g021