Broken-barred Roller vs eccentric grass snail

Ancylis unguicella compared with Vallonia excentrica

Key Differences

• Broken-barred Roller is Least Concern while eccentric grass snail is Near Threatened.

Taxonomic Classification

Rank	Broken-barred 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 unguicella	Vallonia excentrica

Evolutionary Relationship

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

Conservation Status

Broken-barred Roller

LC — Least Concern

eccentric grass snail

NT — Near Threatened

Physical Characteristics

Attribute	Broken-barred Roller	eccentric grass snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broken-barred Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Canada, 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.

Broken-barred Roller

The Broken-Barred Roller (Ancylis unguicella) 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