Brook Floater vs Timor Stubtail

Alasmidonta varicosa compared with Urosphena subulata

Key Differences

• Brook Floater is Vulnerable while Timor Stubtail is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Timor Stubtail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Unionida (Unionida)	Passeriformes (Songbirds)
Family	Unionidae	Cettiidae
Genus	Alasmidonta	Urosphena
Species	Alasmidonta varicosa	Urosphena subulata

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Timor Stubtail

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Timor Stubtail
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.

Timor Stubtail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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.