Figure 22 in Shell features and anatomy of the springsnail genus Radomaniola (Caenogastropoda: Hydrobiidae) show a different pace and mode of evolution over five million years

Figure 22. Shells, operculum and radulae of Radomaniola variabilis sp. nov. A, B, holotype (MNCN 15.05/200169). C, paratype (UGSB 23975). D, shell (UGSB 14440). E, F, shell (UGSB 2294). G–J, N, paratypes (UGSB 23975). G, H, operculum (G, inner side; H, outer side). I, protoconch. J, portion of radula ribbon (UGSB 23975). K, portion of radula ribbon (UGSB 2294). L, central radular teeth (UGSB 14440). M, outer marginal teeth (UGSB 2294). N, outer marginal teeth (UGSB 23975).