Thalassohelix

Thalassohelix is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Therasiinae of the family Charopidae.

Species

 * Thalassohelix antipoda (Hombron & Jacquinot, 1841)
 * Thalassohelix chathamensis (Suter, 1909)
 * Thalassohelix igniflua (Reeve, 1852)
 * Thalassohelix laingi (Suter, 1905)
 * Thalassohelix obnubila (Reeve, 1852)
 * Thalassohelix zelandiae (Gray, 1843)
 * Synonyms:
 * Thalassohelix minuta N. W. Gardner, 1967 accepted as Laomarex minuta (N. W. Gardner, 1967)
 * Thalassohelix propinqua (F. W. Hutton, 1882) accepted as Therasia propinqua (F. W. Hutton, 1882)
 * Thalassohelix prousei Powell, 1952 accepted as Phacussa prousei (Powell, 1952)
 * Thalassohelix pygmaea Suter, 1913 accepted as Phrixgnathus celia F. W. Hutton, 1883
 * Thalassohelix regia N. W. Gardner, 1968 accepted as Laomarex regia (N. W. Gardner, 1968)
 * Thalassohelix translucens Gabriel, 1934 accepted as Mulathena fordei (Brazier, 1871) (junior synonym)