Broken-barred Roller vs robust pillar snail

Ancylis unguicella compared with Cochlicopa nitens

Key Differences

• Broken-barred Roller is Least Concern while robust pillar snail is Endangered.

Taxonomic Classification

Rank	Broken-barred Roller	robust pillar snail
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Mollusca (軟体動物)
Class	Insecta (昆虫)	Gastropoda (腹足綱)
Order	Lepidoptera (チョウ目)	Stylommatophora (Stylommatophora)
Family	Tortricidae	Cochlicopidae
Genus	Ancylis	Cochlicopa
Species	Ancylis unguicella	Cochlicopa nitens

Evolutionary Relationship

Broken-barred Roller and robust pillar snail share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Broken-barred Roller

LC — Least Concern

robust pillar snail

EN — Endangered

Physical Characteristics

Attribute	Broken-barred Roller	robust pillar 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.

robust pillar snail

Habitat

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

Range

Distributed across Denmark, France, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden