Living Strombidae
Genus Aliger
Original description (Thiele, 1929)[1]
“Schale mit starken Knoten und Spiralreifen, Mundrand bedeutend erweitert und oben einen splitzen Flügel bildend”
English translation: shell with strong knobs and spiral ribbing, apertural rim rather broad and on the upper part winged and pointed.
Description [1]
The shell outer lip is inflated, with widely, expanded, uniformly thickened lips as adults, but is not axially reflected; posterior end of lip narrowing to projection or point, giving the aperture a triangulate shape; shoulders often ornamented with large knobs; shell moderately heavy and solid; and an anterior canal that reflected.