Nonionoides grateloupii (d'Orbigny, 1839)

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 : 28

Nonionoides grateloupii (d'Orbigny, 1839a)

Figure 7.17

1839a Nonionina grateloupi d’Orbigny , p. 46, pl. 6, figs. 6-7.

2006 Nonionoides grateloupi (d’Orbigny) ; Oflaz, p. 228, pl. 9, figs. 7-8.

2012 Nonionoides grateloupi (d’Orbigny) ; Debenay, p. 227.

2014 Nonionoides grateloupi (d’Orbigny) ; Panchang and Nigam, pl. 36, fig. 11a-c.

Description. Test elongate, symmetrical on both sides, compressed, wall calcareous, finely perforate, surface smooth, depressed umbilical area filled with granular pustules, apertural face pustular; chambers narrow, trochospirally arranged, final chambers rapidly increasing in length, coiling involute; periphery rounded, sutures distinct, slightly depressed; aperture interiomarginal, an equatorial slit.

Figures

FIGURE 7. 1-2, Amphistegina bicirculata Larsen, 1976 in dorsal view (scale equals 1 mm) (1) and in ventral view (scale equals 1 mm) (2). 3-4, Amphistegina gibbosa d’Orbigny, 1839 in dorsal view (scale equals 500 μm) (3) and in lateral view (scale equals 500 μm) (4). 5, Amphistegina lessonii d’Orbigny in Guerin-Meneville, 1843 in dorsal view (scale equals 400 μm). 6-7, Amphistegina papillosa Said, 1949 in dorsal view (scale equals 500 μm) (6) and in lateral view (scale equals 300 μm) (7). 8-10, Amphistegina radiata (Fichtel and Moll, 1798) in dorsal view (scale equals 500 μm) (8); in ventral view (scale equals 500 μm) (9); and in lateral view (scale equals 500 μm) (10). 11, Astrononion stelligerum (d'Orbigny, 1839) in dorsal view (scale equals 300 μm). 12, Nonion commune (d'Orbigny, 1846) in dorsal view (scale equals 200 μm). 13, Nonion costiferum (Cushman, 1926) in dorsal view (scale equals 200 μm). 14, Nonionella basispinata (Cushman and Moyer, 1930) in dorsal view (scale equals 200 μm). 15, Nonionellina labradorica (Dawson, 1860) in dorsal view (scale equals 200 μm). 16, Nonionoides elongatum (d'Orbigny, 1852) in dorsal view (scale equals 200 μm). 17, Nonionoides grateloupii (d'Orbigny, 1839a) in dorsal view (scale equals 200 μm). 18, Nonionoides turgida (Williamson, 1858) in ventral view (scale equals 100 μm). 19, Nonionoides boueana (d'Orbigny, 1846) in dorsal view (scale equals 200 μm). 20, Haynesina depressula (Walker and Jacob, 1798) in dorsal view (scale equals 100 μm).