Kilburn R.N. (1994). Turridae (s.l.) (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 7. Subfamily Crassispirinae, section 2. Annals of the Natal Museum. 35: 177-228.
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Kilburn R.N.
1994
Turridae (s.l.) (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 7. Subfamily Crassispirinae, section 2