Atlantic Ancula vs tiny risso snail

Ancula gibbosa compared with Rissoa parva

Taxonomic Classification

Rank	Atlantic Ancula	tiny risso snail
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Mollusca (软体动物门)	Mollusca (软体动物门)
Class same	Gastropoda (腹足纲)	Gastropoda (腹足纲)
Order	Nudibranchia (裸鳃目)	Littorinimorpha (滨螺形目)
Family	Goniodorididae	Rissoidae
Genus	Ancula	Rissoa
Species	Ancula gibbosa	Rissoa parva

Evolutionary Relationship

Atlantic Ancula and tiny risso snail share a common ancestor at the Class level: Gastropoda. (腹足纲)

Conservation Status

Atlantic Ancula

LC — Least Concern

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Ancula	tiny risso snail
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.

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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