Black Nerite vs Guemal

Theodoxus prevostianus compared with Hippocamelus bisulcus

Taxonomic Classification

Rank	Black Nerite	Guemal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cycloneritida (Cycloneritida)	Artiodactyla (Even-toed Ungulates)
Family	Neritidae	Cervidae (Deer)
Genus	Theodoxus	Hippocamelus
Species	Theodoxus prevostianus	Hippocamelus bisulcus

Evolutionary Relationship

Black Nerite and Guemal share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Nerite

EN — Endangered

Guemal

EN — Endangered

Physical Characteristics

Attribute	Black Nerite	Guemal
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.

Guemal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.