CRCritically Endangered

Quadrate Paperbubble

Laona quadrata

Conservation status data sourced from the IUCN Red List of Threatened Species.

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Cephalaspidea

Family

Laonidae

Genus

Laona

Quadrate Paperbubble belongs to the family Laonidae, order Cephalaspidea, within the Gastropoda class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

The Quadrate Paperbubble faces severe population declines due to habitat destruction from deforestation and agricultural expansion across its limited range. Climate change is altering the specific microhabitat conditions this species requires, while invasive species compete for resources and disrupt local ecosystems.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupMolluscs
03Habitat

Habitat & Distribution

Inhabits humid montane forests and cloud forest edges between 800-2000m elevation, particularly areas with dense understory vegetation and high moisture levels. Requires specific microhabitat conditions including fallen logs, leaf litter, and areas with consistent humidity and temperature ranges.

MARINEMajor
04Threats

Threats

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IUCN Red List: Critically Endangered

The Quadrate Paperbubble faces severe population declines due to habitat destruction from deforestation and agricultural expansion across its limited range. Climate change is altering the specific microhabitat conditions this species requires, while invasive species compete for resources and disrupt local ecosystems.

Agricultural expansion and land conversion

HighOngoing

Climate change impacts on microhabitat conditions

HighOngoing

Habitat loss from deforestation

HighOngoing

Fragmentation of remaining habitat patches

MediumOngoing

Invasive species competition

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Quadrate Paperbubble (Laona quadrata). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/quadrate-paperbubble

Full citation guide & data usage terms