Herbert, D. G. (1992). Revision of the Umboniinae (Mollusca: Prosobranchia: Trochidae) in southern Africa and Mozambique. Annals of the Natal Museum. 33(2):379-459.
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Herbert, D. G.
1992
Revision of the Umboniinae (Mollusca: Prosobranchia: Trochidae) in southern Africa and Mozambique