Brook Floater vs white chalice-bubble

Alasmidonta varicosa compared with Cylichna alba

Key Differences

• Brook Floater is Vulnerable while white chalice-bubble is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	white chalice-bubble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Cephalaspidea (Cephalaspidea)
Family	Unionidae	Cylichnidae
Genus	Alasmidonta	Cylichna
Species	Alasmidonta varicosa	Cylichna alba

Evolutionary Relationship

Brook Floater and white chalice-bubble share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Brook Floater

VU — Vulnerable

white chalice-bubble

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	white chalice-bubble
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.

white chalice-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway, Sweden, and 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