The clade Stylommatophora contains the subclades Elasmognatha, Orthurethra and the informal group Sigmurethra.
2.
According to the mollusks is in the clade Stylommatophora and the informal group Orthurethra.
3.
"' Streptaxoidea "'is a terrestrial pulmonate gastropod mollusks in the Stylommatophora.
4.
"' Xanthonychoidea "'is a taxonomic terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.
5.
"' Stylommatophora "'is a taxon of air-breathing land snails and slugs, molluscs.
6.
Calcareous ( composed of calcium carbonate ) darts are found in a limited number of pulmonate families within the Stylommatophora.
7.
"' Hypselostomatidae "'is a family of land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.
8.
In the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005, Orthurethra is treated as an informal group and subclade of Stylommatophora.
9.
The two strong synapomorphies of Stylommatophora are a long pedal gland placed beneath a membrane and two pairs of retractile tentacles ( Dayrat & Tillier ).
10.
In the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005, Sigmurethra is an " Informal Group ", a subsection of the Stylommatophora.