Bolivina, d'Orbigny, 1839

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 : 12

Bolivina “ fossa ” McMillan, 1987

Fig. 4F

Bolivina “ fossa ”: McMillan 1987 a: 285–286, pl. 10, figs 9–13.

Description: Test slightly compressed, increasing in width in early part of test, becoming almost parallel-sided, maximum width at final chambers. Wall has moderate to coarse perforations. Periphery broadly rounded with outline irregular, becoming lobate near final chambers. Chambers arranged biserially. Sutures initially indistinct becoming distinct and depressed. Aperture sub-terminal, narrow and elongate-ovate shape. Channel-like depression from proloculus to final pair of chambers. Width = 73.33 µm, height = 120 µm, width:height = 0.61:1.

Material examined: A27392.

Distribution: Around South Africa from Sea Point to Port Elizabeth. This species was first described and named by McMillan (1987 a) from samples retrieved off the coast of Namibia.

Figures

Fig. 4 A–L: (A) Fissurina marginata (Montagu, 1803); (B, C) Fissurina sp. “A”; (D) Guttulina irregularis (d’Orbigny, 1846); (E) Glandulina sp. “A”; (F) Bolivina “fossa” McMillan, 1987 m.s.; (G, H) Bolivina pseudoplicata Heron-Allen & Earland, 1930; (I) Bolivina sp. “A”; (J) Brizalina pseudopunctata (Höglund, 1947); (K) Brizalina “rocklandsensis” McMillan, 1987 m.s.; (L) Bulimina elongata d’Orbigny, 1846.