Figure 7.5 1826 Amphistegina lessonii d’Orbigny, p. 304, pl. 17, figs. 1 - 4. 2002 Amphistegina lessonii d’Orbigny; Yordanova and Hohenegger, p. 178, pl. 31, figs. 4 - 8. 2003 Amphistegina lessonii d’Orbigny; Javaux and Scott, p. 11, fig. 2.4 - 6. 2007 Amphistegina lessonii d’Orbigny; Yordanova and Hohenegger, p. 1276, fig. 1.10. 2012 A mphistegina lessonii d’Orbigny; Debenay, p. 215. 2014 Amphistegina lessonii d’Orbigny; Hohenegger, p. 723, fig. 17. 2014 Amphistegina lessonii d’Orbigny; Panchang and Nigam, pl. 32, fig. 1 a-c. Description. Test lenticular, outline circular, more convex on the spiral side, wall calcareous, umbilicus transparent, imperforate, surface smooth, apertural face with pustules; chambers many, curved backwards at the periphery, chamber arrangement low trochospiral, coiling involute; periphery rounded, margin subacute, sutures slightly depressed; aperture interiomarginal, umbilical, a slit-like opening, surrounded by pustules, bordered by a narrow lip.
Sumber: Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India