Fig. 5 in The genus Ophelina Örsted, 1843 (Annelida: Opheliidae) in the coast of Kuwait (northern Indian Ocean), with the description of a new species

Fig. 5. Ophelina arabica sp. nov., paratype (MNCN 16.01/17004), SEM micrographs. A. Posterior end, lateral view. B. Anal tube and unpaired anal cirrus (framed in A). C. Anal tube, antero-ventral region, detail (framed in B). D. Pair of basal papillae, detail (framed in C). Abbreviations: atdi = anal tube dorsal incision; lclc = last chaetigers long chaetae; pbp = pair of basal papillae; uac = unpaired anal cirrus.