Lachlanella barnardi (Rasheed, 1971)

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

Lachlanella barnardi (Rasheed, 1971)

Figure 17.8

1971 Quinqueloculina barnardi Rasheed , pp. 26, 27, pl. 2, fig. 1.

2012 Quinqueloculina barnardi (Rasheed) ; Debenay, p. 119.

Description. Test robust, cross section triangular, side view oval, wall calcareous, imperforate, surface smooth, very finely striated; chambers visible, chamber arrangement quinqueloculine; peripheral margin acutely rounded to truncated, sutures distinct; aperture elongate, compressed, bordered by a lip, with a long simple tooth slightly raised above the aperture.

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).