Fernandes F. & Rolán E. 1992. The Marginellidae (Mollusca, Gastropoda) of Principe Island (Republica de São Tomé y Principe). <i>Journal of Conchology</i> 34(2): 85-90 [stated date 1991][details]
MolluscaBase eds. (2021). MolluscaBase. Cystiscus josephinae F. Fernandes & Rolán, 1992. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=405004 on 2024-04-24
original descriptionFernandes F. & Rolán E. 1992. The Marginellidae (Mollusca, Gastropoda) of Principe Island (Republica de São Tomé y Principe). <i>Journal of Conchology</i> 34(2): 85-90 [stated date 1991][details]