Brook Floater vs Tree Worm

Alasmidonta varicosa compared with Bimastos rubidus

Key Differences

• Brook Floater is Vulnerable while Tree Worm is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Tree Worm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Annelida (Segmented Worms)
Class	Bivalvia (Bivalvia)	Clitellata (Clitellata)
Order	Unionida (Unionida)	Crassiclitellata (Crassiclitellata)
Family	Unionidae	Lumbricidae
Genus	Alasmidonta	Bimastos
Species	Alasmidonta varicosa	Bimastos rubidus

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Tree Worm

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Tree Worm
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.

Tree Worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, 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.