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, rap-

idly increasing in size as added; periphery carinate,

sutures distinct, raised ridges; aperture terminal,

large, low arched opening, bordered by a rim.