Fig. 18 in Four new genera of the Ceratonotus group (Copepoda, Harpacticoida), including the description of two new species

Fig. 18. Schemes of the female P5 exopod(al lobe). A. Paratouphapleura gen. nov., Pseudechinopsyllus George, 2006, Touphapleura Conroy-Dalton, 2001. B. Polyascophorus George, 1998, Pseudopolyascophorus gen. nov. C. Arthuricornua Conroy-Dalton, 2001. D. Dimorphipodia Lee & Huys, 2019. E. Dorsiceratus Drzycimski, 1967. F. Echinopsyllus Sars, 1909. G. Poropsyllus gen. nov. H. Ceratonotus Sars, 1909, Dendropsyllus Conroy-Dalton, 2003, Tauroceratus gen. nov. Roman numerals indicate outer, Arabic numerals inner elements. Asterisks * indicate derivations referred to in the text.