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 Thalassohelix chathamensis Thalassohelix igniflua Thalassohelix laingi Thalassohelix obnubila Thalassohelix zelandiae;Synonyms:Thalassohelix minuta N. W. Gardner, 1967 accepted as Laomarex minuta Thalassohelix propinqua accepted as Therasia propinqua Thalassohelix prousei Powell, 1952 accepted as Phacussa prousei Thalassohelix pygmaea Suter, 1913 accepted as Phrixgnathus celia F. W. Hutton, 1883Thalassohelix regia N. W. Gardner, 1968 accepted as Laomarex regia Thalassohelix translucens Gabriel, 1934 accepted as ''Mulathena fordei''