Brook Floater vs Flat Abalone

Alasmidonta varicosa compared with Haliotis walallensis

Key Differences

• Brook Floater is Vulnerable while Flat Abalone is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	Flat Abalone
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Lepetellida (Lepetellida)
Family	Unionidae	Haliotidae
Genus	Alasmidonta	Haliotis
Species	Alasmidonta varicosa	Haliotis walallensis

Evolutionary Relationship

Brook Floater and Flat Abalone share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Brook Floater

VU — Vulnerable

Flat Abalone

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	Flat Abalone
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.

Flat Abalone

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.