brown point snail vs Ray's Knotgrass

Acicula fusca compared with Polygonum oxyspermum

Key Differences

• brown point snail is Extinct while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	brown point snail	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Magnoliopsida (Dicots)
Order	Architaenioglossa (Architaenioglossa)	Caryophyllales (Caryophyllales)
Family	Aciculidae	Polygonaceae
Genus	Acicula	Polygonum
Species	Acicula fusca	Polygonum oxyspermum

Conservation Status

brown point snail

EX — Extinct

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	brown point snail	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown point snail

Habitat

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

Range

Distributed across Belgium and Norway.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brown point snail

The Brown Point Snail (Acicula fusca) is a species in the genus Acicula. It is currently classified as Extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway