Brook Floater vs Plain Pocketbook

Alasmidonta varicosa compared with Lampsilis cardium

Key Differences

• Brook Floater is Vulnerable while Plain Pocketbook is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Plain Pocketbook
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Bivalvia (Bivalvia)	Bivalvia (Bivalvia)
Order same	Unionida (Unionida)	Unionida (Unionida)
Family same	Unionidae	Unionidae
Genus	Alasmidonta	Lampsilis
Species	Alasmidonta varicosa	Lampsilis cardium

Evolutionary Relationship

Brook Floater and Plain Pocketbook share a common ancestor at the Family level: Unionidae.

Conservation Status

Brook Floater

VU — Vulnerable

Plain Pocketbook

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Plain Pocketbook
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.

Plain Pocketbook

Habitat

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

Range

Distributed across Norway and United States.

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