Chilina is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the superfamily Chilinoidea.

Chilinidae occupies the temperate and cold zones of South America from the Tropic of Capricorn to Cape Horn[3] and Falkland Islands.

[citation needed] The family Chilinidae has been classified in the clade Hygrophila within the informal group Basommatophora (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

[2] Species within the genus Chilina include: Within their area, the Chilinidae are abundant snails in all suitable stations, as Physidae are in North America.

They swarm in springs, small streams, lakes, and in some places the margins of rivers.