Quinqueloculina bicarinata d’Orbigny, 1826

Symphonia, Tabita K. & Senthil, Nathan D., 2019, Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India, Palaeontologia Electronica (55 A) 22 (3), pp. 1-89 : 61

Quinqueloculina bicarinata d’Orbigny, 1826

Figure 17.13

1826 Quinqueloculina bicarinata d’Orbigny , p. 302, no. 35.

2001 Quinqueloculina bicarinata d’Orbigny ; Szarek, p. 104, pl. 12, fig. 14.

2012 Quinqueloculina bicarinata d’Orbigny ; Debenay, p. 120.

2014 Quinqueloculina bicarinata d’Orbigny ; Panchang and Nigam, pl. 8, fig. 2a-c.

Description. Test robust, cross section triangular, side view subcircular; chambers carinate at the outer borders, chamber arrangement quinqueloculine; periphery subacute, sutures distinct; aperture terminal, ovate, slightly protruding, bordered by a weak, reversed rim, with a T-shaped tooth.

Figures

FIGURE 17. 1-2, Cycloforina semiplicata (McCulloch, 1977) in dorsal view (scale equals 500 μm) (1) and in ventral view (scale equals 500 μm) (2). 3-4, Flintina bradyana Cushman 1921 in dorsal view (scale equals 500 μm) (3) and in ventral view (scale equals 500 μm) (4). 5, Hauerina earlandi Rasheed, 1971 in dorsal view (scale equals 300 μm). 6- 7, Hauerina ornatissima (Karrer, 1868) in dorsal view (scale equals 100 μm) (6) and in ventral view (scale equals 100 μm) (7). 8, Lachlanella barnardi (Rasheed, 1971) in dorsal view (scale equals 400 μm). 9, Massilina laevigata (Cushman and Todd, 1944) in dorsal view (scale equals 500 μm). 10, Quinqueloculina agglutinans d’Orbigny, 1839a in dorsal view (scale equals 100 μm). 11-12, Quinqueloculina auberiana d’Orbigny, 1839a in dorsal view (scale equals 500 μm) (11) and in ventral view (scale equals 200 μm) (12). 13, Quinqueloculina bicarinata d’Orbigny, 1826 in dorsal view (scale equals 400 μm). 14-15, Quinqueloculina bosciana d’Orbigny, 1839a in dorsal view (scale equals 200 μm) (14) and in ventral view (scale equals 200 μm) (15). 16, Quinqueloculina exmouthensis Parker, 2009 in dorsal view (scale equals 400 μm).