Strombina Morch, 1852
Morphologic Description: protoconch 1 1/4 to 3 volutions; sculpture
on early teleoconch present or absent; axial sculpture predominant; parietal
ridge absent or weak; posterior canal absent or weak; thickness outer lip
strong; outer lip weakly extended adapically; anterior canal recurved;
dorsal hump absent to prominent; hump to the left of aperture absent to
I. Subgenus Strombina s.s.
II. Subgenus Spiralta Jung,
III. Subgenus Lirastrombina
IV. Subgenus Arayina Jung,
V. Subgenus Recurvina Jung,
VI. Subgenus Costangula Jung,
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