Nangammbi, T.C. & Herbert, D.G. 2008. A new species of pheasant shell from the south-western Indian Ocean (Mollusca: Gastropoda: Vetigastropoda: Phasianellidae: Tricolia). African Invertebrates49 (2): 13-19.[1]
Nangammbi, T.C. & Herbert, D.G. 2006. Two new species of Tricolia Risso, 1826 from South Africa (Mollusca: Gastropoda: Phasianellidae). African Invertebrates47: 11-22.[2]