Alvinia
Alvinia is a genus of minute sea snails with an operculum, marine gastropod mollusks or micromollusks in the family Rissoidae.
This genus has become a synonym of Alvania Risso, 1826. But it is still considered sometimes as a separate genus. It has been merged with Alvania until a consistent phylogenetic scheme emerges for the whole group.
Species
Species in the genus Alvinia used to include:
Alvinia aequisculpta (Keep, 1887): synonym of Alvania aequisculpta Keep, 1887
Alvinia albolirata (Carpenter, 1864): synonym of Lirobarleeia albolirata (Carpenter, 1864)
Alvinia almo (Bartsch, 1911): synonym of Alvania almo Bartsch, 1911
Alvinia clarionensis (Bartsch, 1911): synonym of Lirobarleeia clarionensis (Bartsch, 1911)
Alvinia contrerasi (Jordan, 1936): synonym of Lapsigyrus mutans (Carpenter, 1857)
Alvinia cosmia (Bartsch, 1911): synonym of Alvania cosmia Bartsch, 1911
Alvinia dictyophora (Philippi 1844): synonym of Alvania dictyophora (Philippi, 1844)
Alvinia electrina (Carpenter, 1864): synonym of Lirobarleeia electrina (Carpenter, 1864)