Brook Floater vs Grey worm

Alasmidonta varicosa compared with Aporrectodea caliginosa

Key Differences

• Brook Floater is Vulnerable while Grey worm is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Grey 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	Aporrectodea
Species	Alasmidonta varicosa	Aporrectodea caliginosa

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Grey worm

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Grey 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.

Grey worm

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (South Africa), Asia (Taiwan), Europe (5 countries), and North America (United States).

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States