Vitrina
Vitrina is genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Vitrinidae, the glass snails.
Description
The shell is globular. There is no apertural membrane. The mantle lobe is very small. There is no penial appendix, no vagina, which means that penis, oviduct and spermatheca duct join at a common point.These are closely allied species, in which the internal organization is in many cases more distinctive than the external aspect of the shell.
Distribution
These species occur in North America, Greenland, Europe and northern Asia.Species
Species with the genus Vitrina include:Vitrina angelicae Beck, 1837Vitrina baudoni Delaunay, 1877Vitrina exilis Morelet, 1858- † Vitrina kubanica Volkova, 1953
- † Vitrina ludovici Depéret, 1895
- † Vitrina obesa H.-Z. Pan, 1977
- † Vitrina obliqua H.-Z. Pan, 1977 Vitrina pellucida
- † Vitrina puncticulata F. Sandberger, 1872 Vitrina rugulosa E. von Martens, 1874
- † Vitrina splendida C. Koch, 1880 Vitrina tenella A. Gould, 1852
- † Vitrina turonica Collot, 1911
- † Vitrina suevica Sandberger, 1872: synonym of † Phenacolimax suevica