Bridge Roller vs Small Dog Whelk

Ancylis uncella compared with Tritia varicosa

Key Differences

• Bridge Roller is Least Concern while Small Dog Whelk is Not Evaluated.

Taxonomic Classification

Rank	Bridge Roller	Small Dog Whelk
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Lepidoptera (Butterflies & Moths)	Neogastropoda (Neogastropoda)
Family	Tortricidae	Nassariidae
Genus	Ancylis	Tritia
Species	Ancylis uncella	Tritia varicosa

Evolutionary Relationship

Bridge Roller and Small Dog Whelk share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bridge Roller

LC — Least Concern

Small Dog Whelk

NE — Not Evaluated

Physical Characteristics

Attribute	Bridge Roller	Small Dog Whelk
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Small Dog Whelk

Habitat

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

Range

Distributed across Denmark and Norway.

Bridge Roller

The Bridge Roller (Ancylis uncella) 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 🇳🇴 Norway