Literature
- Eales, N. B. 1950. Secundary symmetry in gastropods. Proc. Malac. Soc. London 28: 185-198, 9 figs.
- Pelseneer, P. 1891a. Sur la dextrorsité de certains Gastropodes dits 'sénestres' (Lanistes, Peraclis, Limacina, larves des Cymbuliidae). Compt r. Paris 112: 1015-1017.