Elphidium crispum (Linnaeus, 1758)

Figure 6.14

1758 Nautiluscrispus Linnaeus, p. 709, pl. 19, fig. 1d.

2001 Elphidium crispum (Linnaeus); Szarek, p. 150, pl. 28, fig. 3.

2006 Elphidium crispum (Linnaeus); Oflaz, p. 235, pl. 11, fig. 11.

2007 Elphidium crispum (Linnaeus); Talib and Farroqui, p. 21, pl.1, fig. 25a-b.

2012 Elphidium crispum (Linnaeus); Debenay, p. 216.

2012 Elphidium crispum (Linnaeus); Milker and Schmiedl, p. 120, fig. 27.13-14.

2014 Elphidium crispum (Linnaeus); Panchang and Nigam, pl. 38, figs. 6a-b, 7.

Description. Test large, lenticular, outline circular, wall calcareous, perforate, surface reticulate, ornamented with small pustules in the apertural region, umbilical boss with small, shallow pits; chambers many, narrow, final chambers inflated, chamber arrangement planispiral, coiling involute; periphery angular with thin carina, sutures strongly curved backwards; aperture interiomarginal, multiple, a series of openings bordered by a rim on the apertural face.