Brook Floater vs elongate abra

Alasmidonta varicosa compared with Abra prismatica

Key Differences

• Brook Floater is Vulnerable while elongate abra is Least Concern.

Taxonomic Classification

Rank	Brook Floater	elongate abra
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Bivalvia (Bivalvia)	Bivalvia (Bivalvia)
Order	Unionida (Unionida)	Cardiida (Cardiida)
Family	Unionidae	Semelidae
Genus	Alasmidonta	Abra
Species	Alasmidonta varicosa	Abra prismatica

Evolutionary Relationship

Brook Floater and elongate abra share a common ancestor at the Class level: Bivalvia. (Bivalvia)

Conservation Status

Brook Floater

VU — Vulnerable

elongate abra

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	elongate abra
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.

elongate abra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.