Checklist, assemblage composition, and biogeographic assessment of Recent benthic foraminifera (Protista, Rhizaria) from São Vincente, Cape Verdes Author Schönfeld, Joachim Author Lübbers, Julia text Zootaxa 2020 2020-02-05 4731 2 151 192 journal article 24173 10.11646/zootaxa.4731.2.1 290babbc-0611-4eeb-be52-9c70a26e6525 1175-5326 3637801 560FF002-DB8B-405A-8767-09628AEDBF04 Genus Sigmavirgulina Loeblich & Tappan 1957 Sigmavirgulina tortuosa (Brady) = Bulimina tortuosa Brady 1881 , p. 57 . Bolivina tortuosa , Brady, 1884 , pl. 52, figs. 31–34. Sellier de Civrieux (1976) , p. 25, pl. 22, figs. 8–10, pl. 23, figs. 1–7. Sigmavirgulina tortuosa (Brady) , Jones (1994) , p. 58. Milker & Schmidl (2012), p. 93, fig. 21.12.