Brook Floater vs Chequered Pearl

Alasmidonta varicosa compared with Evergestis pallidata

Key Differences

• Brook Floater is Vulnerable while Chequered Pearl is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Chequered Pearl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Crambidae
Genus	Alasmidonta	Evergestis
Species	Alasmidonta varicosa	Evergestis pallidata

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Chequered Pearl

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Chequered Pearl
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.

Chequered Pearl

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, 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.

Chequered Pearl

The Chequered Pearl (Evergestis pallidata) is a species in the genus Evergestis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States