Elphidium advenum var. depressulum Cushman, 1933

Figure 6.7

1933 E lphidium advenum (Cushman) var. depressulum Cushman, p. 51, pl. 12, fig. 4a-b.

1939a Elphidium advenum (Cushman) var. depressulum Cushman, p. 61, pl. 17, fig.1.

Description. Test large, wall calcareous, finely perforate, surface smooth, pustular sutrues and umbilicus; chambers few, broad, inflated, planispirally arranged, coiling involute; umbilical region depressed, no definite boss, with a few large pits; periphery more lobulated, with a more prominent keel, sutures slightly curved and distinct, retral processes distinct, rod-like; aperture interiomarginal, multiple at the base of apertural face.