CR

Diplommatina ringens

Unknown

Overview

Diplommatina ringens is a species of small land snail with an operculum, a terrestrial gastropod mollusc in the family Diplommatinidae. This species is endemic to Palau.

Diplommatina ringens faces severe threats from habitat destruction due to limestone quarrying and urban development in its restricted range. The species' dependence on specific microhabitat conditions within limestone caves and karst formations makes it extremely vulnerable to even minor environmental disturbances. Climate change poses additional risks through altered humidity and temperature regimes that could disrupt the delicate cave ecosystems this species requires.

Threat summary

Habitat

This critically endangered land snail inhabits limestone caves and karst formations, requiring specific humidity and temperature conditions found in these underground ecosystems. The species is typically found in the twilight zones of caves where moisture levels remain consistently high and temperatures are stable.

Forest· majorForest - Subtropical/tropical moist lowland· majorRocky areas· major

Conservation measures underway

Species recovery

Frequently asked questions

Why is Diplommatina ringens classified as Critically Endangered?
Diplommatina ringens is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Diplommatina ringens faces severe threats from habitat destruction due to limestone quarrying and urban development in its restricted range. The species' dependence on specific microhabitat conditions within limestone caves and karst formations makes it extremely vulnerable to even minor environmental disturbances. Climate change poses additional risks through altered humidity and temperature regimes that could disrupt the delicate cave ecosystems this species requires.
Where does Diplommatina ringens live?
Diplommatina ringens occurs in Palau. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Diplommatina ringens?
The main threats to Diplommatina ringens are 11.2, 2.1, 6.2, and 7.1. The full IUCN-classified threat record for this species is detailed on the species page.

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