Brook Floater vs Upper Crust

Alasmidonta varicosa compared with Amaurodon cyaneus

Taxonomic Classification

Rank	Brook Floater	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Thelephorales (Thelephorales)
Family	Unionidae	Thelephoraceae
Genus	Alasmidonta	Amaurodon
Species	Alasmidonta varicosa	Amaurodon cyaneus

Conservation Status

Brook Floater

VU — Vulnerable

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Upper Crust
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.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, 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.