Brook Floater vs Chimaera

Alasmidonta varicosa compared with Chimaera monstrosa

Taxonomic Classification

Rank	Brook Floater	Chimaera
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Holocephali (Holocephali)
Order	Unionida (Unionida)	Chimaeriformes (Chimaeriformes)
Family	Unionidae	Chimaeridae
Genus	Alasmidonta	Chimaera
Species	Alasmidonta varicosa	Chimaera monstrosa

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Chimaera

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Chimaera
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.

Chimaera

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Chimaera

The Chimaera (Chimaera monstrosa) is a species in the genus Chimaera. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.