Peneroplis pertusus (Forskål, 1775)

Figure 22.6

1775 Nautilus pertusus Forskål and Niebuhr, p. 125, no. 65.

2006 Peneroplis pertusus (Forskål); Oflaz, p. 185, pl. 4, fig. 10; pl. 5, figs. 1-3; pl. 11, fig. 8.

2008 Peneroplis pertusus (Forskål); Yalçin, Meriç, Avşar, Tetiker, Barut, Yilmaz and Dinçer, p. 370, pl. 3, figs. 6-10.

2012 Peneroplis pertusus (Forskål); Debenay, p. 113.

2012 Peneroplis pertusus (Forskål); Milker and Schmiedl, p. 71, fig. 18.11-12.

2014 Peneroplis pertusus (Forskål); Panchang and Nigam, pl. 15, fig. 3a-b.

Description. Test flattened, umbilical area compressed, wall porcelaneous, surface ornamented with parallel costae perpendicular to the sutures; chambers many, initially planispirally arranged, later uniserially arranged, gradually increasing in size; periphery subrounded, sutures slightly depressed; aperture multiple, terminal, irregular slits in juveniles, a row of rectangular openings in adults.