brown point snail vs Silversheath knotweed

Acicula fusca compared with Polygonum argyrocoleum

Key Differences

• brown point snail is Extinct while Silversheath knotweed is Not Evaluated.

Taxonomic Classification

Rank	brown point snail	Silversheath knotweed
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 argyrocoleum

Conservation Status

brown point snail

EX — Extinct

Silversheath knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	brown point snail	Silversheath knotweed
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.

Silversheath knotweed

Habitat

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

Range

Widely distributed across Asia (Qatar), Europe (7 countries), and North America (United States).

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway