Brook Floater vs Gentian Plume

Alasmidonta varicosa compared with Stenoptilia pneumonanthes

Key Differences

• Brook Floater is Vulnerable while Gentian Plume is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	Gentian Plume
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Pterophoridae
Genus	Alasmidonta	Stenoptilia
Species	Alasmidonta varicosa	Stenoptilia pneumonanthes

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Gentian Plume

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	Gentian Plume
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.

Gentian Plume

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (Kazakhstan) and Europe (14 countries). Currently classified as Critically Endangered 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.