CR

Three Forks Springsnail

Pyrgulopsis trivialis

Declining

Overview

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

Pyrgulopsis trivialis faces severe threats from groundwater depletion and habitat modification in its extremely limited range. The species is vulnerable to water diversions, agricultural pumping, and urban development that alter spring flow patterns and water chemistry. Climate change poses an additional threat through increased drought frequency and reduced aquifer recharge in the arid southwestern United States.

Threat summary

Habitat

This freshwater gastropod is endemic to specific spring systems and associated wetland habitats in the southwestern United States. It requires stable groundwater-fed springs with consistent water temperature, flow, and chemistry.

Grassland· majorWetlands (inland)· majorWetlands (inland) - Permanent rivers/streams· majorWetlands (inland) - Permanent freshwater lakes· major

Conservation measures underway

Site/area managementSpecies recovery

Other threatened species in HYDROBIIDAE

VU

Floridobia monroensis

Unknown
EN

Anagastina gluhodolica

Declining
VU

Pseudamnicola bacescui

Unknown
EN

Ohrigocea stankovici

Unknown

Threatened in United States

Argentinean Horned FrogVU

Argentinean Horned Frog

Ceratophrys ornata

Declining
VU

Lepiota echinella

Unknown
VU

Paddlefish

Polyodon spathula

Unknown
EN

Lyophyllum deliberatum

Unknown

Frequently asked questions

Why is Three Forks Springsnail classified as Critically Endangered?
Three Forks Springsnail 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. Pyrgulopsis trivialis faces severe threats from groundwater depletion and habitat modification in its extremely limited range. The species is vulnerable to water diversions, agricultural pumping, and urban development that alter spring flow patterns and water chemistry. Climate change poses an additional threat through increased drought frequency and reduced aquifer recharge in the arid southwestern United States.
Where does Three Forks Springsnail live?
Three Forks Springsnail 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 Three Forks Springsnail?
The main threats to Three Forks Springsnail are 12.1, 2.3, 5.3, and 8.1. The full IUCN-classified threat record for this species is detailed on the species page.

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