Parahauerinoides fragilissima (Brady, 1884)

Figure 20.1

1884 Spiroloculina fragilissima Brady, p. 149, pl. 9, figs. 12-14.

1946 Hauerina fragilissima (Brady); Cushman, p. 9, pl. 2, figs. 1-6, 8.

2001 Hauerina fragilissima (Brady); Szarek, p. 103, pl. 12, fig. 6.

2012 Hauerina fragilissima (Brady); Debenay, p. 108.

Description. Test highly compressed, discoid, outline oval to rounded, wall thin, transparent, surface unevenly pitted; chambers partially involute, rapidly increasing in size as added, chamber arrangement initially quinqueloculine, later planispirally arranged; periphery rounded, sutures distinct, depressed; aperture terminal, cribrate.