Belly-shaped Hard Grass vs Black Nerite

Aegilops ventricosa compared with Theodoxus prevostianus

Key Differences

• Belly-shaped Hard Grass is Least Concern while Black Nerite is Endangered.

Taxonomic Classification

Rank	Belly-shaped Hard Grass	Black Nerite
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Liliopsida (Monocots)	Gastropoda (Gastropoda)
Order	Poales (Grasses)	Cycloneritida (Cycloneritida)
Family	Poaceae (Grass Family)	Neritidae
Genus	Aegilops	Theodoxus
Species	Aegilops ventricosa	Theodoxus prevostianus

Conservation Status

Belly-shaped Hard Grass

LC — Least Concern

Black Nerite

EN — Endangered

Physical Characteristics

Attribute	Belly-shaped Hard Grass	Black Nerite
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Belly-shaped Hard Grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

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.

Belly-shaped Hard Grass

The Belly-shaped Hard Grass (Aegilops ventricosa) is a species in the genus Aegilops. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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.