Pyrgo sp.

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 : 69

Pyrgo sp.

Figure 20.7

Description. Test subspherical, aboral end rounded, apertural end broadly truncate, wall porcelaneous, imperforate, surface smooth; chambers biconvex, biloculine chamber arrangement; periphery subrounded; aperture elongate, curved, with a large flat tooth, bordered by a thick lip.

Figures

FIGURE 20. 1, Parahauerinoides fragilissima (Brady, 1884) in dorsal view (scale equals 300 μm). 2, Pseudotriloculina sp., in dorsal view (scale equals 100 μm). 3, Pyrgo denticulata (Brady, 1884) in ventral view (scale equals 500 μm). 4. Pyrgo inornata (d’Orbigny, 1846) in ventral view (scale equals 300 μm). 5-6, Pyrgo oblonga (d’Orbigny, 1839a) in dorsal view (scale equals 300 μm) (5) and in ventral view (scale equals 300 μm) (6). 7, Pyrgo sp. in ventral view (scale equals 300 μm). 8, Pyrgo williamsoni (Silvestri, 1923) in ventral view (scale equals 300 μm). 9-10, Triloculina echinata d’Orbigny, 1826 in dorsal view (scale equals 200 μm) (9) and in ventral view (scale equals 200 μm) (10). 11-12, Triloculina insignis (Brady, 1881) in dorsal view (scale equals 300 μm) (11) and in ventral view (scale equals 200 μm) (12). 13-14, Triloculina oblonga (Montagu, 1803) in dorsal view (scale equals 300 μm) (13) and in ventral view (scale equals 300 μm) (14). 15, Triloculina schreiberiana d’Orbigny, 1839a in dorsal view (scale equals 200 μm). 16-17, Triloculina terquemiana (Brady, 1884) in lateral view (scale equals 400 μm) (16) and in dorsal view (scale equals 300 μm) (17). 18, Triloculina tricarinata d’Orbigny, 1826 in apertural view (scale equals 200 μm).