Rosalina cf. globularis d’Orbigny, 1826

Toefy, R., Gibbons, M. J. & McMillan, I. K., 2005, The foraminifera associated with the alga Gelidium pristoides, South Africa, African Invertebrates 46, pp. 1-26 : 14

Rosalina cf. globularis d’Orbigny, 1826

Figs 5C, 5D

Rosalina globularis: d’Orbigny 1826: 271 , pl. 13, figs 1–4; Loeblich & Tappan 1988: 561, pl. 610,

figs 1–5, pl. 611, figs 1–6, fig. 459, 1a–c; Levy et al. 1979: 78, pl. 4, figs 41, 44, 45; McMillan

1987 a: 348, pl. 13, figs 14–18.

Description: Rounded to lobate shape. Dorsal side convex while ventral side flat and slightly concave. Test smooth with prominent coarse perforations. Dorsal view finely perforate with almost smooth central region. Large pores on ventral side, absent near periphery. Chambers strongly inflated on dorsal side. Radial sutures on dorsal side curved towards periphery.Aperture interio-marginal on ventral side.Aperture elongated, extending from periphery to umbilicus. Umbilicus wide and deep, partially obscured by umbilical flaps.Width = 138 µm, height = 116 µm, width:height = 1.19:1.

Material examined: A27411, A27398 , A27412.

Distribution: Widespread in shallow marine environments. Around South Africa from Sea Point to Port Elizabeth. Recorded by McMillan (1987 a) off the coast of Namibia.

Figures

Fig. 5 A–L: (A) Trifarina angulosa (Williamson, 1858); (B) Neoconcorbina sp. “A”; (C, D) Rosalina cf. globularis d’Orbigny, 1826; (E) Rosalina sp. “A”; (F–H) Glabratella australensis (Heron-Allen & Earland, 1932); (I, J) Patellina corrugata Williamson, 1858; (K) Ammonia parkinsoniana (d’Orbigny, 1839); (L) Pararotalia nipponica (Asano, 1936).