Brook Floater vs Dune Chafer

Alasmidonta varicosa compared with Anomala dubia

Key Differences

• Brook Floater is Vulnerable while Dune Chafer is Endangered.

Taxonomic Classification

Rank	Brook Floater	Dune Chafer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Coleoptera (Beetles)
Family	Unionidae	Scarabaeidae
Genus	Alasmidonta	Anomala
Species	Alasmidonta varicosa	Anomala dubia

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Dune Chafer

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Dune Chafer
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.

Dune Chafer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.