Brook Floater vs tiny door snail

Alasmidonta varicosa compared with Clausilia rugosa

Key Differences

• Brook Floater is Vulnerable while tiny door snail is Least Concern.

Taxonomic Classification

Rank	Brook Floater	tiny door snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Stylommatophora (Stylommatophora)
Family	Unionidae	Clausiliidae
Genus	Alasmidonta	Clausilia
Species	Alasmidonta varicosa	Clausilia rugosa

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

tiny door snail

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	tiny door snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

tiny door snail

Habitat

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

Range

Distributed across Belgium and Norway.

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.