Oxychiloidea
Oxychiloidea is a taxonomic superfamily of terrestrial pulmonate gastropods within the clade Stylommatophora. In traditional classifications it was used to group several lineages of small to medium-sized glassy-shelled snails, but its exact composition has varied across authors and over time. In modern systems, the membership of Oxychiloidea is not consistently defined, and some families previously placed here have been reassigned as classifications are revised through molecular data.
The best-known member is the family Oxychilidae, commonly referred to as glass snails. Other families have historically
Morphology and ecology of the group are broadly characterized by thin, translucent shells and a small to
Distribution and habitat range from the Palearctic region to parts of Asia, with European and other temperate-zone