NMITA: Neogene Marine Biota of Tropical America

Strombina Morch, 1952

II. Subgenus Spiralta Jung, 1986.

Morphologic Description: protoconch 3 volutions; outer lip protoconch sinusigerous; sculpture on early teleoconch absent; sculpture on late teleoconch present; axial sculpture predominant; parietal ridge absent; posterior canal absent or weak; thickness outer lip moderate; outer lip not extended adapically; anterior canal weakly recurved; dorsal hump absent; hump to the left of aperture absent.


Click on picture to see a species description:

(Jung, 1989, Fig. 120.4)

Return to Strombina genus description.