Helicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the superfamily Helicinoidea. These snails are not at all closely related to the air-breathing land snails, despite a superficial similarity of the shells. These snails are found in tropical and subtropical areas but...
Found on
http://en.wikipedia.org/wiki/Helicinidae
(from the article `gastropod`) ...in Indonesia and the Philippines (Neritidae), and 2 groups of land dwellers: 1 sparsely distributed in the Old World (Hydrocenidae) and 1 widely ...
Found on
http://www.britannica.com/eb/a-z/h/33
No exact match found.
