Discorbinella bertheloti (d’Orbigny, 1839b)

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 : 34

Discorbinella bertheloti (d’Orbigny, 1839b)

Figure 9.9-10

1839b Rosalina bertheloti d’Orbigny , p. 135, pl. 1, figs. 28-30.

2001 Discorbinella bertheloti (d’Orbigny) ; Szarek, p. 137, pl. 21, figs. 1-3.

2006 Discorbinella bertheloti (d’Orbigny) ; Oflaz, p. 223, pl. 8, figs. 5-6.

2012 Discorbinella bertheloti (d’Orbigny) ; Debenay, p. 194.

2012 Discorbinella bertheloti (d’Orbigny) ; Milker and Schmiedl, p. 104, fig. 23.29-30.

2014 Discorbinella bertheloti (d’Orbigny) ; Panchang and Nigam, pl. 31, fig. 6a-c.

Description. Test compressed, outline circular, spiral side convex, umbilical side flat, wall, calcareous, perforate, surface smooth; chambers many, inflated, arranged trochospirally; periphery rounded, lobulated, sutures distinct and depressed, curved backwards on the spiral side; aperture interiomarginal, a low opening, bordered by a lip.

Figures

FIGURE 9. 1-2, Poroeponides lateralis (Terquem, 1878) in dorsal view (scale equals 1 mm) (1) and in ventral view (scale equals 500 μm) (2). 3-4, Rosalina bradyi (Cushman, 1915) in dorsal view (scale equals 200 μm) (3) and in ventral view (scale equals 200 μm) (4). 5-6, Rosalina floridana (Cushman, 1922a) in dorsal view (scale equals 100 μm) (5) and in ventral view (scale equals 100 μm) (6). 7-8, Rosalina globularis d'Orbigny, 1826 in dorsal view (scale equals 200 μm) (7) and in ventral view (scale equals 100 μm) (8). 9-10, Discorbinella bertheloti (d'Orbigny, 1839b) in dorsal view (scale equals 200 μm) (9) and in ventral view (scale equals 200 μm) (10). 11, Stilostomelloides virgula (Brady, 1879b) in dorsal view (scale equals 200 μm). 12, Rectuvigerina phlegeri Le Calvez, 1959 in dorsal view (scale equals 200 μm). 13, Uvigerina asperula Cžjžek, 1848 in dorsal view (scale equals 300 μm). 14, Uvigerina akitaensis Asano, 1950 in dorsal view (scale equals 300 μm). 15, Uvigerina auberiana d'Orbigny, 1839 in dorsal view (scale equals 200 μm). 16, Uvigerina ex gr. semiornata d’Orbigny, 1846 in dorsal view (scale equals 300 μm). 17, Uvigerina mediterranea Hofker, 1932 in dorsal view (scale equals 200 μm). 18, Uvigerina peregrina Cushman, 1923 in dorsal view (scale equals 200 μm). 19, Uvigerina pygmaea d'Orbigny, 1826 in dorsal view (scale equals 100 μm). 20, Siphouvigerina porrecta (Brady, 1879b) in dorsal view (scale equals 200 μm). 21-22, Siphouvigerina proboscidea (Schwager, 1866) in dorsal view (scale equals 100 μm) (21) and in apertural view (scale equals 100 μm) (22). 23, Trifarina angulosa (Williamson, 1858) in dorsal view (scale equals 200 μm).

FIGURE 10. 1, Bulimina aculeata d'Orbigny, 1826 in dorsal view (scale equals 200 μm). 2, Bulimina marginata d'Orbigny, 1826 in dorsal view (scale equals 200 μm). 3-4, Bulimina striata d'Orbigny in Guérin-Méneville, 1843 in ventral view (scale equals 300 μm) (3) and in apertural view (scale equals 100 μm) (4). 5, Globobulimina turgida (Bailey, 1851) in dorsal view (scale equals 400 μm). 6-8, Reussella haizumensis Asano, 1950 in dorsal view (scale equals 300 μm) (6); in closer view (scale equals 100 μm) (7); and in apertural view (scale equals 200 μm) (8). 9, Reussella spinulosa (Reuss, 1850) in dorsal view (scale equals 100 μm). 10, Valvobifarina mackinnonii (Millett, 1900a) in dorsal view (scale equals 300 μm). 11, Bolivina obscura He, Hu and Wang, 1965 in dorsal view (scale equals 200 μm). 12, Bolivina cistina Cushman, 1936 in dorsal view (scale equals 100 μm). 13, Bolivina dilatata Reuss, 1850 in dorsal view (scale equals 200 μm). 14-15, Bolivina kuriani (Seibold, 1975) in ventral view (scale equals 200 μm) (14) and in dorsal view (scale equals 100 μm) (15). 16-17, Bolivina persiensis Lutze, 1974 in dorsal view (scale equals 200 μm) (16) and in dorsal view (scale equals 200 μm) (17). 18-19, Bolivina pusilla Schwager, 1866 in dorsal view (scale equals 200 μm) (18) and in ventral view (scale equals 200 μm) (19). 20, Bolivina spathulata (Williamson, 1858) in dorsal view (scale equals 300 μm). 21, Bolivina striatula Cushman, 1922a in dorsal view (scale equals 200 μm). 22, Pseudobrizalina lobata (Brady, 1881) in dorsal view (scale equals 200 μm). 23, Sagrinella durrandii (Millett, 1900b) in dorsal view (scale equals 100 μm). 24, Saidovina karreriana (Brady, 1881) in dorsal view (scale equals 300 μm). 25, Loxostomina amygdalaeformis (Brady, 1881) in dorsal view (scale equals 500 μm). 26, Loxostomina mayori (Cushman, 1922) in dorsal view (scale equals 300 μm).