Spirorutilus carinatus (d’Orbigny, 1846)

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 : 57

Spirorutilus carinatus (d’Orbigny, 1846)

Figure 15.21

1846 Textularia carinata d’Orbigny , p. 247, pl. 14, figs. 32-34.

2001 Spiroplectinella pseudocarinata (Cushman) ; Szarek, p. 88, pl. 6, figs. 3-6.

2014 Textularia pseudocarinata (Cushman) ; Panchang and Nigam, pl. 4, fig. 14a-b.

Description. Test triangular, flattened laterally, flanges extending at the sides, wall agglutinated, surface rough; chambers biserially arranged, rapidly increasing in size as added; periphery carinate, sutures distinct, raised ridges; aperture terminal, large, low arched opening, bordered by a rim.

Figures

FIGURE 15. 1, Globorotalia neoflexuosa in dorsal view (scale equals 500 μm). 2-3, Neogloboquadrina dutertrei (d’Orbigny, 1839) in dorsal view (scale equals 200 μm) (2) and in ventral view (scale equals 300 μm) (3). 4-5, Neogloboquadrina incompta (Cifelli, 1961) in dorsal view (scale equals 100 μm) (4) and in ventral view (scale equals 100 μm) (5). 6-8, Pulleniatina obliquiloculata (Parker and Jones in Carpenter, Parker and Jones, 1862) in dorsal view (scale equals 200 μm) (6); in ventral view (scale equals 200 μm) (7); and in apertural view (scale equals 200 μm) (8). 9, Textularia agglutinans d’Orbigny, 1839a in dorsal view (scale equals 400 μm). 10, Textularia candeiana d’Orbigny, 1839a in dorsal view (scale equals 300 μm). 11, Textularia earlandi Parker 1952 in dorsal view (scale equals 1 mm). 12, Textularia fistula Cushman, 1911 in dorsal view (scale equals 300 μm). 13-14, Textularia granulata Costa 1855 in dorsal view (scale equals 400 μm) (13) and in apertural view (scale equals 200 μm) (14). 15, Textularia pala (Cžjžek, 1848) in dorsal view (scale equals 200 μm). 16, Textularia pseudogramen Chapman and Parr, 1937 in dorsal view (scale equals 200 μm). 17, Bigenerina nodosaria d’Orbigny, 1826 in dorsal view (scale equals 400 μm). 18, Sahulia conica (d’Orbigny, 1839) in dorsal view (scale equals 100 μm). 19, Sahulia kerimbaensis (Said, 1949) in dorsal view (scale equals 100 μm). 20, Karrerotextularia flintii (Cushman, 1911) in dorsal view (scale equals 100 μm). 21, Spirorutilus carinatus (d’Orbigny, 1846) in dorsal view (scale equals 100 μm).