NMITA:
Neogene
Marine Biota
of Tropical
America
NMITA:
Neogene
Marine Biota
of Tropical
America
Morphologic Description: protoconch 1 3/4 to 3 1/2 volutions; sculpture on early teleoconch present or absent; axial sculpture predominant; parietal ridge present; posterior canal present; thickness outer lip moderate to strong; outer lip extended adapically; anterior canal recurved; dorsal hump absent to prominent; hump to the left of aperture absent to prominent. Mainly a fossil genus; only 3 living species, all in the Eastern Pacific.
I. Sincola s.s. Jung, 1989.
II. Subgenus Sinaxila Jung, 1989.
III. Subgenus Sinuina Jung, 1989.
IV. Subgenus Dorsina Jung, 1989.
V. Subgenus ? Jung, 1989.
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