Cancris carinata (Millet, 1904)

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 : 32

Cancris carinata (Millet, 1904)

Figure 8.7-8

1904 Pulvinulina oblonga (Williamson) var. carinata Millett , p. 498, pl. 10, fig. 3.

2001 Cancris carinatus (Millet) ; Szarek, p. 133, pl. 19, fig. 5.

2014 Cancris carinata (Millet) ; Panchang and Nigam, pl. 28, figs. 28a-c, 29a-c.

Description. Test elongate, outline auriculate, cross section lenticular, wall calcareous, perforate, umbilical side imperforate, surface smooth; chambers many, rapidly increasing in size, arranged trochospirally, spiral side evolute, umbilical side involute; periphery acute and carinate, sutures curved and slightly depressed on the spiral side, radial and much depressed on the umbilical side; aperture an interiomarginal, umbilical, opening with a distinct, projecting apertural flap.

Figures

FIGURE 8. 1-2, Baggina indica (Cushman, 1921) in dorsal view (scale equals 200 μm) (1) and in ventral view (scale equals 300 μm) (2). 3-4, Cancris auriculus (Fichtel and Moll, 1798) in dorsal view (scale equals 400 μm) (3) and in ventral view (scale equals 400 μm) (4). 5-6, Cancris bubnanensis (McCulloch, 1977) in dorsal view (scale equals 300 μm) (5) and in ventral view (scale equals 300 μm) (6). 7-8, Cancris carinata (Millet, 1904) in dorsal view (scale equals 300μm) (7) and in ventral view (scale equals 400 μm) (8). 9-10, Cancris communis Cushman and Todd, 1942 in dorsal view (scale equals 300 μm) (9) and in ventral view (scale equals 300 μm) (10). 11-12, Cancris sagra (d’Orbigny, 1839a) in dorsal view (scale equals 200 μm) (11) and in ventral view (scale equals 200 μm) (12). 13-15, Neoeponides margaritifer (Brady, 1881) in dorsal view (scale equals 500 μm) (13); in ventral view (scale equals 400 μm) (14); and in apertural view (scale equals 500 μm) (15). 16-17, Eponides cribrorepandus (Asano and Uchio, 1951) in dorsal view (scale equals 300 μm) (16) and in ventral view (scale equals 300 μm) (17). 18-19, Eponides repandus (Fichtel and Moll, 1798) in dorsal view (scale equals 300 μm) (18) and in ventral view (scale equals 300 μm) (19). 20, Rosalina macropora (Hofker, 1951) in dorsal view (scale equals 200 μm).