Descrição original: Regteren Altena, C. O. van. (1975). The marine Mollusca of Suriname (Dutch Guiana) Holocene and Recent Part III. Gastropoda and Cephalopoda. Zoologische Verhandelingen. 139: 1-104. page(s): 75, figs 30a-b
Referência: Pimenta A.D., Santos F.N. & Absalão R.S. 2008. Review of the genera Ividia, Folinella, Menestho, Pseudoscilla, Tryptichus and Peristichia (Gastropoda, Pyramidellidae) from Brazil, with descriptions of four new species. The Veliger 50(3)