Brook Floater vs truncate donax

Alasmidonta varicosa compared with Donax trunculus

Key Differences

• Brook Floater is Vulnerable while truncate donax is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	truncate donax
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	Donacidae
Genus	Alasmidonta	Donax
Species	Alasmidonta varicosa	Donax trunculus

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

truncate donax

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	truncate donax
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.

truncate donax

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway.

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.