Background The database we introduce is a pivotal component of the LIFE SNAILS project (Support and Naturalisation in Areas of Importance for Land Snails). This initiative is dedicated to safeguarding three endangered species of terrestrial molluscs, specifically, two snails (Oxychilus agostinhoi Martins 1981 and Leptaxis minor Backhuys, 1975) and a semi-slug (Plutonia angulosa (Morelet, 1860)), all of which ar...