Brook Floater vs Small alder midget

Alasmidonta varicosa compared with Phyllonorycter stettinensis

Key Differences

• Brook Floater is Vulnerable while Small alder midget is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Small alder midget
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Gracillariidae
Genus	Alasmidonta	Phyllonorycter
Species	Alasmidonta varicosa	Phyllonorycter stettinensis

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Small alder midget

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Small alder midget
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 alder midget

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.