Uvigerina ex gr. semiornata d’Orbigny, 1846, 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 : 35

Uvigerina ex gr. semiornata d’Orbigny, 1846

Figure 9.16

1846 Uvigerina semiornata d’Orbigny , p. 189, pl. 11, figs. 23-24.

2012 Uvigerina ex gr. semiornata d’Orbigny ; Nisha and Singh, p. 788, pl. 2, fig. 41.

Description. Test long, wall calcareous, perforate, surface of chambers ornamented with longitudinal costae; earlier chambers triserially and later biserially arranged; periphery carinate, sutures nearly horizontal, curved in later chambers, depressed; aperture terminal, round on a short neck, bordered by an everted 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).