Brook Floater vs Williamson's Emerald

Alasmidonta varicosa compared with Somatochlora williamsoni

Key Differences

• Brook Floater is Vulnerable while Williamson's Emerald is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Williamson's Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Arthropoda (artrópodos)
Class	Bivalvia (Bivalvia)	Insecta (insecto)
Order	Unionida (Unionida)	Odonata (Odonata)
Family	Unionidae	Corduliidae
Genus	Alasmidonta	Somatochlora
Species	Alasmidonta varicosa	Somatochlora williamsoni

Evolutionary Relationship

Brook Floater and Williamson's Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Williamson's Emerald

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Williamson's Emerald
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.

Williamson's Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in 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