Brook Floater vs Dingy Dowd

Alasmidonta varicosa compared with Blastobasis adustella

Key Differences

• Brook Floater is Vulnerable while Dingy Dowd is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Dingy Dowd
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Blastobasidae
Genus	Alasmidonta	Blastobasis
Species	Alasmidonta varicosa	Blastobasis adustella

Evolutionary Relationship

Brook Floater and Dingy Dowd share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Dingy Dowd

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Dingy Dowd
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.

Dingy Dowd

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries).

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.