Vetulonia (gastropod)

Vetulonia is a genus of sea snails, marine gastropod mollusks, unassigned in the superfamily Seguenzioidea.

Description
(Original description) The small shell is turbiniform, thin and umbilicated. It shows radiating ribs crossing spiral threads. The peristome is interrupted by the body whorl. The outer lip in the completely adult is reflected and somewhat thickened. The aperture is unarmed.

Species
Species within the genus Vetulonia include:
 * Vetulonia densilirata Dall, 1927
 * Vetulonia galapagana Dall, 1913
 * Vetulonia giacobbei Renda & Micali, 2016
 * Vetulonia parajeffreysi Absalão & Pimenta, 2005
 * Vetulonia paucivaricosa (Dautzenberg, 1889)
 * Vetulonia phalcata Warén & Bouchet, 1993
 * † Vetulonia philippinensis Kiel, Aguilar & Kase, 2020


 * Species brought into synonymy:
 * Vetulonia cancellata (Jeffreys, 1883) : synonym of Vetulonia paucivaricosa (Dautzenberg, 1889)
 * Vetulonia jeffreysi Dall, 1913 : synonym of Vetulonia paucivaricosa (Dautzenberg, 1889)
 * Vetulonia josephinae Dall, 1927 : synonym of Vetulonia paucivaricosa (Dautzenberg, 1889)