brown point snail vs cavernous crystalwort

Acicula fusca compared with Riccia cavernosa

Key Differences

• brown point snail is Extinct while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	brown point snail	cavernous crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Marchantiophyta (liverwort)
Class	Gastropoda (Gastropoda)	Marchantiopsida (Marchantiopsida)
Order	Architaenioglossa (Architaenioglossa)	Marchantiales (Marchantiales)
Family	Aciculidae	Ricciaceae
Genus	Acicula	Riccia
Species	Acicula fusca	Riccia cavernosa

Conservation Status

brown point snail

EX — Extinct

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	brown point snail	cavernous crystalwort
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.

cavernous crystalwort

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). 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.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway