In September 2016, the International Union for Conservation of Nature (IUCN) listed 2437 least concern mollusc species.
This is a complete list of least concern mollusc species and subspecies evaluated by the IUCN.
Stylommatophora includes the majority of land snails and slugs.
There are 599 species and one subspecies in the order Stylommatophora assessed as least concern.
There are 296 species and two subspecies in the class Bivalvia assessed as least concern.