Atlantic Ancula vs Black Tooth

Ancula gibbosa compared with Phellodon niger

Key Differences

Atlantic Ancula is Least Concern while Black Tooth is Critically Endangered.

Taxonomic Classification

Rank	Atlantic Ancula	Black Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Gastropoda (Gastropoda)	Agaricomycetes (Mushrooms)
Order	Nudibranchia (Nudibranchia)	Thelephorales (Thelephorales)
Family	Goniodorididae	Thelephoraceae
Genus	Ancula	Phellodon
Species	Ancula gibbosa	Phellodon niger

Conservation Status

Atlantic Ancula

LC — Least Concern

Black Tooth

CR — Critically Endangered

Physical Characteristics

Attribute	Atlantic Ancula	Black Tooth
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.

Black Tooth

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Critically Endangered 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.

Black Tooth

The Black Tooth (Phellodon niger) is a species in the genus Phellodon. It is currently classified as Critically Endangered on the IUCN Red List. Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.