Figures 20-28 from: Dornellas A (2012) Description of a new species of Calliostoma (Gastropoda, Calliostomatidae) from Southeastern Brazil. ZooKeys 224: 89-106. https://doi.org/10.3897/zookeys.224.3684

Figures 20-28 - Radulae of Calliostoma tupinamba holotype and paratype MZSP 102223 in SEM. 20 Ventral view of radular ribbon, scale bar = 200 µm 21 Ventral view of middle region, scale bar = 100 µm 22 Detail of outermost lateral tooth and lateromarginal plate, scale bar = 50 µm 23 Marginal teeth, ventral view, scale bar = 100 µm 24 Detail of innermost marginal tooth, scale bar = 50 µm 25 Rachidian and lateral teeth, scale = 100 µm 26 Marginal teeth, lateral view, scale bar = 50 µm 27 Detail of lateral teeth, scale = bar 20 µm 28 Rachidian, lateral teeth and lateromarginal plate, scale bar = 100 µm