Brook Floater vs Small Plume

Alasmidonta varicosa compared with Oxyptilus parvidactyla

Key Differences

• Brook Floater is Vulnerable while Small Plume is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Small 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	Oxyptilus
Species	Alasmidonta varicosa	Oxyptilus parvidactyla

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Small Plume

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Small 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.

Small Plume

Habitat

Inhabits montane grasslands and shrublands and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (Morocco), Asia (6 countries), and Europe (33 countries).

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.