Brook Floater vs Rusty Porecrust

Alasmidonta varicosa compared with Fuscoporia ferruginosa

Key Differences

• Brook Floater is Vulnerable while Rusty Porecrust is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Rusty Porecrust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Hymenochaetales (Hymenochaetales)
Family	Unionidae	Hymenochaetaceae
Genus	Alasmidonta	Fuscoporia
Species	Alasmidonta varicosa	Fuscoporia ferruginosa

Conservation Status

Brook Floater

VU — Vulnerable

Rusty Porecrust

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Rusty Porecrust
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.

Rusty Porecrust

Habitat

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

Range

Distributed across Belgium, Denmark, 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