Streptaxidae is a taxonomic family of carnivorous air-breathing land snails, terrestrial pulmonate gastropod mollusks in the cladeStylommatophora. Six Streptaxidae subfamilies are accepted in the 2005 taxonomy of the Gastropoda by Bouchet & Rocroi. Streptaxidae are carnivorous except for one species Edentulina moreleti, which is herbivorous. All streptaxids have well-developed radula, except Careoradula perelegans, which is the only known terrestrial gastropod without radula. Altogether 66 species from the family Streptaxidae are listed in the 2010 IUCN Red List.