NMITA: Neogene Marine Biota of Tropical America

Sincola Olsson and Harbison, 1953

III. Subgenus Sinuina Jung, 1989.

Morphologic Description: protoconch 3 volutions; outer lip protoconch sigmoid; sculpture on early teleoconch present; axial sculpture predominant in later teleoconch; dorsal hump absent; hump to the left of aperture absent; thickness outer lip moderate; outer lip strongly extended adapically.


Return to taxonomic listing of subgenera for Sincola.