Bilberry Roller vs Pohnpei tree snail

Ancylis myrtillana compared with Partula emersoni

Key Differences

• Bilberry Roller is Least Concern while Pohnpei tree snail is Critically Endangered.

Taxonomic Classification

Rank	Bilberry Roller	Pohnpei tree snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Lepidoptera (Butterflies & Moths)	Stylommatophora (Stylommatophora)
Family	Tortricidae	Partulidae
Genus	Ancylis	Partula
Species	Ancylis myrtillana	Partula emersoni

Evolutionary Relationship

Bilberry Roller and Pohnpei tree snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bilberry Roller

LC — Least Concern

Pohnpei tree snail

CR — Critically Endangered

Physical Characteristics

Attribute	Bilberry Roller	Pohnpei tree snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bilberry Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Pohnpei tree snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bilberry Roller

The Bilberry Roller (Ancylis myrtillana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway