Brook Floater vs chequered carpet shell

Alasmidonta varicosa compared with Ruditapes decussatus

Key Differences

• Brook Floater is Vulnerable while chequered carpet shell is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	chequered carpet shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Bivalvia (Bivalvia)	Bivalvia (Bivalvia)
Order	Unionida (Unionida)	Venerida (Venerida)
Family	Unionidae	Veneridae
Genus	Alasmidonta	Ruditapes
Species	Alasmidonta varicosa	Ruditapes decussatus

Evolutionary Relationship

Brook Floater and chequered carpet shell share a common ancestor at the Class level: Bivalvia. (Bivalvia)

Conservation Status

Brook Floater

VU — Vulnerable

chequered carpet shell

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	chequered carpet shell
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.

chequered carpet shell

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, Portugal, 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.

chequered carpet shell

The chequered carpet shell (Ruditapes decussatus) is a species in the genus Ruditapes. Native to Europe, inhabiting ecosystems characteristic of the region.