Glyptorhagada bordaensis
VU

Glyptorhagada bordaensis

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Glyptorhagada_bordaensis

Overview

Glyptorhagada bordaensis is a land snail of the family Camaenidae, characterized by a coiled, sculpted shell typical of this group, with fine ridging or grooving on its surface that gives the family its common descriptor of "sculptured" snails. Like other camaenids, it is a nocturnal or crepuscular herbivore-detritivore, grazing on fungi, algae, and decaying plant matter, and relies on moist, sheltered microhabitats to remain active. In its ecosystem it contributes to nutrient cycling and serves as a food source for birds, reptiles, and small mammals.

The species is found in Australia and the United States, occupying terrestrial habitats that provide the humidity and ground cover necessary for its survival, such as leaf litter, native vegetation, and soil crevices that buffer against desiccation.

Glyptorhagada bordaensis is classified as Vulnerable, with an unknown population trend, meaning current numbers cannot be confirmed but risks to the species are well documented. Its habitat is under pressure from agricultural expansion and crop cultivation, which removes native vegetation cover, and from livestock grazing and trampling, which compacts soil and destroys shelter sites. Ongoing habitat fragmentation from land clearing isolates populations, while invasive plant species alter the structure and composition of native vegetation the snail depends on.

Climate change is also affecting moisture regimes critical to this moisture-sensitive species.

Specific targeted conservation programs for this species are not well documented, though it likely benefits indirectly from broader habitat protection and invasive species management efforts in the regions it inhabits. Without dedicated monitoring or habitat safeguards, the species' long-term trajectory remains uncertain, and continued habitat degradation poses an ongoing risk to its persistence.

Glyptorhagada bordaensis faces ongoing habitat loss as land is cleared and converted for farming and crops, while grazing livestock trample and degrade the remaining natural areas. This clearing also breaks up the landscape into smaller, disconnected patches, making it harder for populations to survive, and invasive plants are further changing the vegetation these snails depend on. On top of this, shifting rainfall and moisture patterns from climate change add extra stress to their habitat. Overall, these combined pressures appear to be ongoing and steady rather than easing, suggesting the threats are stable to intensifying.

Threat summary

Habitat

This terrestrial snail inhabits remnant native vegetation patches within Western Australia's agricultural wheatbelt, particularly areas with dense shrubland and woodland that provide the leaf litter and moisture conditions necessary for survival. The species requires specific microhabitat conditions including adequate ground cover and stable soil moisture levels.

TERRESTRIAL· major

Frequently asked questions

Why is Glyptorhagada bordaensis classified as Vulnerable?
Glyptorhagada bordaensis is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Glyptorhagada bordaensis faces ongoing habitat loss as land is cleared and converted for farming and crops, while grazing livestock trample and degrade the remaining natural areas. This clearing also breaks up the landscape into smaller, disconnected patches, making it harder for populations to survive, and invasive plants are further changing the vegetation these snails depend on. On top of this, shifting rainfall and moisture patterns from climate change add extra stress to their habitat. Overall, these combined pressures appear to be ongoing and steady rather than easing, suggesting the threats are stable to intensifying.
Where does Glyptorhagada bordaensis live?
Glyptorhagada bordaensis occurs in Australia, and United States. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Glyptorhagada bordaensis?
The main threats to Glyptorhagada bordaensis are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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