Quinqueloculina subpolygona Parr, 1945

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 : 65

Quinqueloculina subpolygona Parr, 1945

Figure 18.18

1945 Quinqueloculina subpolygona Parr , p. 196, pl. 12, fig. 2a-c.

2012 Quinqueloculina subpolygona Parr ; Debenay, p. 127.

Description. Test elongate, slightly compressed, wall calcareous, surface ornamented with strong costae; chambers distinct, chamber arrangement quinqueloculine; periphery quadrangular, sutures distinct and depressed; aperture terminal, large, bordered by a weakly everted lip, with a bifid tooth.

Figures

FIGURE 18. 1-2, Quinqueloculina bubnanensis McCulloch, 1977 in dorsal view (scale equals 400 μm) (1) and in apertural view (scale equals 200 μm) (2). 3-4, Quinqueloculina delicatula Vella, 1957 in dorsal view (scale equals 400 μm) (3) and in apertural view (scale equals 300 μm) (4). 5, Quinqueloculina lamarckiana d’Orbigny, 1839 in dorsal view (scale equals 200 μm). 6, Quinqueloculina lizardi Baccaert, 1987 in dorsal view (scale equals 200 μm). 7, Quinqueloculina parkeri (Brady, 1881) in dorsal view (scale equals 300 μm). 8, Quinqueloculina parvula Schlumberger, 1894 in dorsal view (scale equals 300 μm). 9-11, Quinqueloculina philippinensis Cushman, 1921 in dorsal view (scale equals 400 μm) (9); in ventral view (scale equals 400 μm) (10); and in apertural view (scale equals 500 μm) (11). 12, Quinqueloculina schlumbergeri (Wiesner, 1923) in dorsal view (scale equals 300 μm). 13-14, Quinqueloculina seminula (Linnaeus, 1758) in dorsal view (scale equals 100 μm) (13) and in ventral view (scale equals 100 μm) (14). 15-17, Quinqueloculina subparkeri McCulloch, 1977 in dorsal view (scale equals 300 μm) (15); in apertural view (scale equals 200 μm) (16); and in ventral view (scale equals 200 μm) (17). 18, Quinqueloculina subpolygona Parr, 1945 in dorsal view (scale equals 400 μm). 19-20, Quinqueloculina sulcata Fornasini, 1900 in dorsal view (scale equals 500 μm) (19) and in ventral view (scale equals 300 μm) (20).