"Stylommatophora is an order of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon includes the majority of land snails and slugs.
The two strong synapomorphies of Stylommatophora are a long pedal gland placed beneath a membrane and two pairs of retractile tentacles (Dayrat & Tillier).[citation needed]
Several families in this group contain species of snails and slugs that create love darts.
Stylommatophora are known from the Cretaceous to the Recent periods." - (en.wikipedia.org 07.03.2020)
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