Atlantic Ancula vs Lesser Smoothcap

Ancula gibbosa compared with Atrichum angustatum

Key Differences

• Atlantic Ancula is Least Concern while Lesser Smoothcap is Vulnerable.

Taxonomic Classification

Rank	Atlantic Ancula	Lesser Smoothcap
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Bryophyta
Class	Gastropoda (Gastropoda)	Polytrichopsida (Polytrichopsida)
Order	Nudibranchia (Nudibranchia)	Polytrichales (Polytrichales)
Family	Goniodorididae	Polytrichaceae
Genus	Ancula	Atrichum
Species	Ancula gibbosa	Atrichum angustatum

Conservation Status

Atlantic Ancula

LC — Least Concern

Lesser Smoothcap

VU — Vulnerable

Physical Characteristics

Attribute	Atlantic Ancula	Lesser Smoothcap
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.

Lesser Smoothcap

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (5 countries) and North America (United States). 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