Spiroloculina parvula Chapman, 1902

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 : 74

Spiroloculina parvula Chapman, 1902

Figure 22.1-2

1902 Spiroloculina parvula Chapman , pl. 36, fig. 5.

2014 Spiroloculina parvula Chapman ; Panchang and Nigam, pl. 6, fig. 20a-b.

Description. Test large, outline ovate, wall porcelaneous, surface ornamented with prominent, long ribs; chambers slightly inflated; periphery highly carinate, sutures distinct; aperture terminal, round at the end of the neck, bordered weakly by a thin rim, with a small bifid tooth.

Figures

FIGURE 22. 1-2, Spiroloculina parvula Chapman, 1902 in dorsal view (scale equals 300 μm) (1); and in ventral view (scale equals 300 μm) (2). 3-4, Spiroloculina subimpressa Parr, 1950 in dorsal view (scale equals 300 μm) (3) and in ventral view (scale equals 300 μm) (4). 5, Miliolid sp. in dorsal view (scale equals 200 μm). 6, Peneroplis pertusus (Forskål, 1775) in dorsal view (scale equals 500 μm). 7, Peneroplis planatus (Fichtel and Moll, 1798) in dorsal view (scale equals 500 μm). 8, Monalysidium confusa (McCulloch, 1977) in dorsal view (scale equals 500 μm). 9-10, Edentostomina cultrata (Brady, 1881) in dorsal view (scale equals 1 mm) (9) and in ventral view (scale equals 500 μm) (10). 11-12, Edentostomina rupertiana (Brady, 1881) in dorsal view (scale equals 500 μm) (11) and in dorsal view (scale equals 500 μm) (12). 13-14, Planispirinella exigua (Brady, 1879b) in dorsal view (scale equals 500 μm) (13) and in ventral view (scale equals 200 μm) (14). 15, Alveolinella quoii (d’Orbigny, 1826) in dorsal view (scale equals 500 μm). 16, Borelis melo (Fichtel and Moll, 1798) in dorsal view (scale equals 300 μm).