Brook Floater vs Dry Rot

Alasmidonta varicosa compared with Serpula lacrymans

Key Differences

• Brook Floater is Vulnerable while Dry Rot is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Dry Rot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Annelida (Segmented Worms)
Class	Bivalvia (Bivalvia)	Polychaeta (Polychaeta)
Order	Unionida (Unionida)	Sabellida (Sabellida)
Family	Unionidae	Serpulidae
Genus	Alasmidonta	Serpula
Species	Alasmidonta varicosa	Serpula lacrymans

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Dry Rot

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Dry Rot
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.

Dry Rot

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Chile).

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