Gradaterebra Cotton & Godfrey 1932
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Genus Gradaterebra Cotton & Godfrey, 1932 View in CoL

( Fig. 10D View Figure 10 )

Type species: Gradaterebra scalariformis Cotton & Godfrey, 1932 View in CoL ; OD.

Diagnosis: Shell small (<25 mm), often dull-coloured, with flattened tobulbouswhorls; axialsculptureof prominentribs; spiralsculpture absent, microscopic or represented by fine cords; last whorl inflated.

Distribution: Indian and SW Pacific Oceans.

Remarks. The genus mainly comprises small species from Australia and South Africa, which can be differentiated based on adult size <25 mm.

Included species:

Gradaterebra scalariformis (Cotton & Godfrey, 1932) 4 n. comb.; G. assecla (Iredale, 1924) 4 n. comb.;

G. capensis (E. A. Smith, 1873) 4 n. comb.;

G. easmithi (Aubry, 1999) 4 n. comb.;

G. kowiensis (Turton, 1932) 4 n. comb.;

G. lightfooti (E. A. Smith, 1899) 4 n. comb.;

G. ninfae (Campbell, 1961) 4 n. comb.;

G. pilsbryi (Aubry, 1999) 4 n. comb.;

G. planecosta (Barnard, 1958) 4 n. comb.;

G. severa (Melvill, 1897) 4 n. comb.;

G. sorrentense (Aubry, 1999) 4 n. comb.;