beautiful grass snail vs Brook Floater

Vallonia pulchella compared with Alasmidonta varicosa

Taxonomic Classification

Rank	beautiful grass snail	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Gastropoda (Gastropoda)	Bivalvia (Bivalvia)
Order	Stylommatophora (Stylommatophora)	Unionida (Unionida)
Family	Valloniidae	Unionidae
Genus	Vallonia	Alasmidonta
Species	Vallonia pulchella	Alasmidonta varicosa

Evolutionary Relationship

beautiful grass snail and Brook Floater share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

beautiful grass snail

VU — Vulnerable

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	beautiful grass snail	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

beautiful grass snail

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Japan), Europe (9 countries), North America (United States), and South America (Argentina, Chile, Uruguay). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brook Floater

Habitat

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

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

beautiful grass snail

The Beautiful grass snail (Vallonia pulchella) is a species in the genus Vallonia. It is currently classified as Vulnerable on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States