This family is classified within the clade Stylommatophora within the clade Eupulmonata ( according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 ).
12.
The snails in this clade have their eyes located at the base of their tentacles, rather than at the tips, as in the true land snails Stylommatophora.
13.
Basommatophorans are characterized by having their eyes located at the base of their non-retractile tentacles, rather than at the tips, as in the true land snails Stylommatophora.
14.
"' Orthalicidae "'( "'orthalicid land snails "') are a terrestrial pulmonate gastropod mollusks are classified in the informal group Sigmurethra of the clade Stylommatophora.
15.
The Clausiliidae family is classified within the informal group Sigmurethra, itself belonging to the clade Stylommatophora within the clade Eupulmonata ( according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 ).
16.
The Trigonochlamydidae family is now classified within the limacoid clade, which itself belongs to the clade Stylommatophora, within the clade Eupulmonata ( according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 ).
17.
Its original genus name " Avakubia " was changed in 1929 because that name was preoccupied for a gastropod subgenus ( " Gulella ( Avakubia ) Pilsbry, 1919 ", Streptaxidae, Stylommatophora ).
18.
"' Athoracophoridae "', common name the "'leaf-veined slugs "', are a terrestrial pulmonate gastropod mollusks in the infraorder Stylommatophora, the stalk-eyed snails and slugs.
19.
Terrestrial invasion of gastropod mollusks has occurred in Neritopsina, Cyclophoroidea, Littorinoidea, Rissooidea, Ellobioidea, Onchidioidea, Veronicelloidea, Succineoidea, and Stylommatophora, and in particular, each of Neritopsina, Rissooidea and Ellobioidea has likely achieved land invasion more than once.
20.
The radiation of " Dysdera " is surpassed on the Canary Islands by the snail genus " Napaeus " ( Stylommatophora : Enidae ) with more than 50 endemic species, the millipede genus " Dolichoiulus " ( Julidae ) with 46, and the beetle genera " Attalus " ( Malachiidae ) with 51 and " Laparocerus " ( Curculionidae ) with 68 endemic species.
