Brook Floater vs plicate door snail

Alasmidonta varicosa compared with Macrogastra plicatula

Key Differences

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

Taxonomic Classification

Rank	Brook Floater	plicate 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	Macrogastra
Species	Alasmidonta varicosa	Macrogastra plicatula

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

plicate door snail

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	plicate 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.

plicate door snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Ukraine.

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.