Bilberry Roller vs eccentric grass snail

Ancylis myrtillana compared with Vallonia excentrica

Key Differences

• Bilberry Roller is Least Concern while eccentric grass snail is Near Threatened.

Taxonomic Classification

Rank	Bilberry Roller	eccentric grass 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	Valloniidae
Genus	Ancylis	Vallonia
Species	Ancylis myrtillana	Vallonia excentrica

Evolutionary Relationship

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

Conservation Status

Bilberry Roller

LC — Least Concern

eccentric grass snail

NT — Near Threatened

Physical Characteristics

Attribute	Bilberry Roller	eccentric grass 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.

eccentric grass snail

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 5 distinct biome types spanning the Australasia and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Israel), Europe (9 countries), North America (Mexico, United States), and Oceania and the Pacific (New Zealand). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden