Living Strombidae
Genus Aliger
Original description (Swainson, 1937)
Thiele, Karl Hermann Johannes, “Handbuch der systematischen Weichtierkunde” Vol. 1, part 1., pag. 254, Gustav Fischer ed., Jena, Germany, 1929.
“Schale mit starken Knoten und Spiralreifen, Mundrand bedeutend erweitert und oben einen splitzen Flügel bildend”
shell with strong knobs and spiral ribbing, apertural rim rather broad and on the upper part winged and pointed.
Description
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.
Distribution: Western Atlantic