VU

Helminthoglypta allynsmithi

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Helminthoglypta allynsmithi faces severe habitat degradation from urban development and agricultural expansion across its limited range in Southern California. The species is particularly vulnerable to drought conditions and altered fire regimes that affect the chaparral and oak woodland ecosystems it depends upon. Invasive plant species further degrade habitat quality by altering soil chemistry and moisture retention critical for this terrestrial gastropod's survival.

Threat summary

Habitat

This terrestrial snail inhabits chaparral, oak woodlands, and coastal sage scrub environments in Southern California. It requires areas with adequate leaf litter, fallen logs, and rocky crevices that provide moisture retention and shelter during dry periods.

TERRESTRIAL· major

Other threatened species in HELMINTHOGLYPTIDAE

CR

Micrarionta feralis

Unknown
VU

Micrarionta opuntia

Unknown
VU

Micrarionta gabbii

Unknown
VU

Monadenia setosa

Unknown

Threatened in United States

VU

Lepiota echinella

Unknown
VU

Paddlefish

Polyodon spathula

Unknown
VU

Copper Shark

Carcharhinus brachyurus

Declining
EN

Lyophyllum deliberatum

Unknown

Frequently asked questions

Why is Helminthoglypta allynsmithi classified as Vulnerable?
Helminthoglypta allynsmithi 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. Helminthoglypta allynsmithi faces severe habitat degradation from urban development and agricultural expansion across its limited range in Southern California. The species is particularly vulnerable to drought conditions and altered fire regimes that affect the chaparral and oak woodland ecosystems it depends upon. Invasive plant species further degrade habitat quality by altering soil chemistry and moisture retention critical for this terrestrial gastropod's survival.
Where does Helminthoglypta allynsmithi live?
Helminthoglypta allynsmithi occurs in 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 Helminthoglypta allynsmithi?
The main threats to Helminthoglypta allynsmithi 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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