Adelosina longirostra (d’Orbigny, 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 : 58

Adelosina longirostra (d’Orbigny, 1826)

Figure 16.9-10

1826 Quinqueloculina laevigata d’Orbigny , p. 301.

2014 Adelosina laevigata (d’Orbigny) ; Panchang and Nigam, pl.5, fig. 19a-c.

Description. Test slightly elongate, central portion convex on the spiral side, wall calcareous, imperforate, surface with many visible striations; periphery carinate; aperture terminal, at the end of a somewhat longer neck, with a small bifid tooth.

Figures

FIGURE 16. 1, Clavulina angularis d’Orbigny, 1826 in dorsal view (scale equals 300 μm). 2-3, Martinottiella cylindrica (d’Orbigny, 1852) in dorsal view (scale equals 1 mm) (2) and in apertural view (scale equals 200 μm) (3). 4, Pseudoclavulina serventyi (Chapman and Parr, 1935) in dorsal view (scale equals 500 μm). 5, Hyperammina friabilis Brady, 1884 in dorsal view (scale equals 1 mm). 6-7, Lagenammina difflugiformis (Brady, 1879a) in dorsal view (scale equals 300 μm) (6) and in apertural view (scale equals 200 μm) (7). 8, Psammosphaera fusca Schulze, 1875 in dorsal view (scale equals 200 μm). 9-10, Adelosina longirostra (d’Orbigny, 1826) in dorsal view (scale equals 200 μm) (9) and in ventral view (scale equals 200 μm) (10). 11-12, Adelosina pulchella (d’Orbigny, 1826) in dorsal view (scale equals 200 μm) (11) and in ventral view (scale equals 300 μm) (12). 13, Cribrolinoides curta (Cushman, 1917) in dorsal view (scale equals 200 μm). 14, Miliammina fusca (Brady, 1870) in dorsal view (scale equals 200 μm). 15, Pseudohauerinella orientalis (Cushman, 1946) in dorsal view (scale equals 200 μm). 16, Sigmoihauerina bradyi (Cushman, 1917) in dorsal view (scale equals 200 μm). 17, Agglutinella arenata (Said, 1949) in dorsal view (scale equals 500 μm).