Atlantic Ancula vs Triangle-marked Roller

Ancula gibbosa compared with Ancylis achatana

Key Differences

• Atlantic Ancula is Least Concern while Triangle-marked Roller is Vulnerable.

Taxonomic Classification

Rank	Atlantic Ancula	Triangle-marked Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Nudibranchia (Nudibranchia)	Lepidoptera (Butterflies & Moths)
Family	Goniodorididae	Tortricidae
Genus	Ancula	Ancylis
Species	Ancula gibbosa	Ancylis achatana

Evolutionary Relationship

Atlantic Ancula and Triangle-marked Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Ancula

LC — Least Concern

Triangle-marked Roller

VU — Vulnerable

Physical Characteristics

Attribute	Atlantic Ancula	Triangle-marked Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

Triangle-marked Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden