Isopoda, Cymothoida, Epicaridea, Cryptoniscoidea, Dajidae: A Holophryxus alaskensis (adult female) A1 dorsal view A2 ventral view (after Richardson 1905b) B Zonophryxus probisowa (adult female) B1 dorsal view B2 ventral view (Peruvian species = representative for unidentified SCB species of Zonophryxus; after Boyko and Williams 2021a). Hemioniscidae: C Hemioniscus balani C1 adult female C2 juvenile female (after Nierstrasz and Brender à Brandis 1926; Williams and Boyko 2012).