Amphistegina radiata (Fichtel and Moll, 1798)

Figure 7.8-10

1798 Nautilus radiatus Fichtel and Moll, p. 58, pl. 8, figs. a-d.

1999 Amphistegina radiata (Fichtel and Moll); Nigam and Khare, p. 298, pl. 6, fig. 2.

2002 Amphistegina radiata (Fichtel and Moll); Yordanova and Hohenegger, p. 178, pl. 31, figs. 13-17.

2007 Amphistegina radiata (Fichtel and Moll); Yordanova and Hohenegger, p. 1276, fig. 1.12.

2012 Amphistegina radiata (Fichtel and Moll); Debenay, p. 216.

2014 Amphistegina radiata (Fichtel and Moll); Hohenegger, p. 723, fig. 17.

2014 Amphistegina radiata (Fichtel and Moll); Panchang and Nigam, pl. 32, figs. 5a-c, 6a-b.

Description. Test flattened, outline circular, wall calcareous, finely perforate, surface smooth; chambers many, planispirally arranged; periphery rounded, margin slightly angular, sutures slightly raised, curved at the periphery; aperture a small slit, bordered by a thin lip, surrounded by pustules.