Rotaliammina Cushman 1924

Schönfeld, Joachim & Lübbers, Julia, 2020, Checklist, assemblage composition, and biogeographic assessment of Recent benthic foraminifera (Protista, Rhizaria) from São Vincente, Cape Verdes, Zootaxa 4731 (2), pp. 151-192 : 163

Genus Rotaliammina Cushman 1924

Rotaliammina concava (Seiglie) = Tiphotrocha concava Seiglie 1964, p. 500 , pl. 1, figs. 4a–b, 5a–c [Plate 1, Fig. 1 ]. Dorst & Schönfeld (2015), p. 175, figs. 5.2, 6.2, 8.3, 10.6. Note: images of this species were sparsely provided in the literature. The specimen is very similar to those found in the Celtic Sea. It has been deformed by cytoplasm shrinking during desiccation.

Figures

FIGURE 1. Map with location of (a) the Cape Verde Archipelago and (b) sampling sites on São Vincente. CC: Canary Current, CUC: Canary Upwelling Current, CVC: Cape Verde Current, CVFZ: Cape Verde Frontal Zone, GD: Guinea Dome, NEC: North Equatorial Current, NECC: North Equatorial Counter Current (modified after Fiedler, 2012; Fernandes et al. 2015; Pelegrí & Peña-Izquierdo, 2015). Depth contours in (a) were given for the continental margin only. Colours and symbols in (b): light grey: volcanic or volcanoclastic rocks, yellow: sedimentary deposits (redrawn after Ancochea et al. 2010), orange: beach sands, dark grey and circles: urban areas and villages (after satellite images and observations during the geological excursion), arrows: sampling sites. The geographical coordinates are given in Appendix Table 1.