Brook Floater vs Shiny Dufourea

Alasmidonta varicosa compared with Dufourea minuta

Key Differences

• Brook Floater is Vulnerable while Shiny Dufourea is Extinct.

Taxonomic Classification

Rank	Brook Floater	Shiny Dufourea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hymenoptera (Ants, Bees & Wasps)
Family	Unionidae	Halictidae
Genus	Alasmidonta	Dufourea
Species	Alasmidonta varicosa	Dufourea minuta

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Shiny Dufourea

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Shiny Dufourea
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.

Shiny Dufourea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, 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.