Black Nerite vs Broad-barred Knot-horn

Theodoxus prevostianus compared with Acrobasis consociella

Key Differences

• Black Nerite is Endangered while Broad-barred Knot-horn is Least Concern.

Taxonomic Classification

Rank	Black Nerite	Broad-barred Knot-horn
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Cycloneritida (Cycloneritida)	Lepidoptera (Butterflies & Moths)
Family	Neritidae	Pyralidae
Genus	Theodoxus	Acrobasis
Species	Theodoxus prevostianus	Acrobasis consociella

Evolutionary Relationship

Black Nerite and Broad-barred Knot-horn share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Nerite

EN — Endangered

Broad-barred Knot-horn

LC — Least Concern

Physical Characteristics

Attribute	Black Nerite	Broad-barred Knot-horn
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Nerite

Habitat

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

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Broad-barred Knot-horn

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Black Nerite

The Black Nerite (Theodoxus prevostianus) is a species in the genus Theodoxus. It is currently classified as Endangered on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Broad-barred Knot-horn

The Broad-barred Knot-horn (Acrobasis consociella) is a species in the genus Acrobasis. 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 1 countries:

🇳🇴 Norway