Braune Nadelschnecke vs Knautien-Sandbiene

Acicula fusca compared with Andrena hattorfiana

Key Differences

• Braune Nadelschnecke is Extinct while Knautien-Sandbiene is Critically Endangered.

Taxonomic Classification

Rank	Braune Nadelschnecke	Knautien-Sandbiene
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Arthropoda (Gliederfüßer)
Class	Gastropoda (Schnecken)	Insecta (Insekten)
Order	Architaenioglossa (Architaenioglossa)	Hymenoptera (Hautflügler)
Family	Aciculidae	Andrenidae
Genus	Acicula	Andrena
Species	Acicula fusca	Andrena hattorfiana

Evolutionary Relationship

Braune Nadelschnecke and Knautien-Sandbiene share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Braune Nadelschnecke

EX — Extinct

Knautien-Sandbiene

CR — Critically Endangered

Physical Characteristics

Attribute	Braune Nadelschnecke	Knautien-Sandbiene
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Braune Nadelschnecke

Habitat

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

Range

Distributed across Belgium and Norway.

Knautien-Sandbiene

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Braune Nadelschnecke

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