Brook Floater vs Lesser bilby

Alasmidonta varicosa compared with Macrotis leucura

Key Differences

• Brook Floater is Vulnerable while Lesser bilby is Extinct.

Taxonomic Classification

Rank	Brook Floater	Lesser bilby
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Peramelemorphia (Peramelemorphia)
Family	Unionidae	Thylacomyidae
Genus	Alasmidonta	Macrotis
Species	Alasmidonta varicosa	Macrotis leucura

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Lesser bilby

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Lesser bilby
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.

Lesser bilby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.