Brook Floater vs

Alasmidonta varicosa compared with Trichia contorta

Key Differences

Brook Floater is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (Animals)	Protozoa (protozoa)
Phylum	Mollusca (Mollusks)	Mycetozoa
Class	Bivalvia (Bivalvia)	Myxomycetes (Myxomycetes)
Order	Unionida (Unionida)	Trichiales (Trichiales)
Family	Unionidae	Trichiaceae
Genus	Alasmidonta	Trichia
Species	Alasmidonta varicosa	Trichia contorta

Conservation Status

Brook Floater

VU — Vulnerable

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater
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.

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

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.

Trichia contorta is a myxomycete producing clusters of small, cylindrical to pear-shaped sporangia on decaying wood, often in early succession on freshly fallen logs. It is distinguished by its twisted elaters, which are hygroscopic coiled threads within the sporangium that assist in spore dispersal. This species is found across temperate and boreal forests of the Northern Hemisphere.