Fig. 5 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species

Fig. 5. Shell and radula of Mercuria similis (Draparnaud, 1805) from Étang de Berre, Bouches-du- Rhône, France. A. Apical view of the shell. B. Details of the protoconch. C. Protoconch microsculpture. D. General view of the radular ribbon. E. Central, lateral, inner marginal and outer marginal teeth. F. Detailed view of the inner marginal teeth.