Brook Floater vs MacConnell's Oryzomys

Alasmidonta varicosa compared with Euryoryzomys macconnelli

Key Differences

• Brook Floater is Vulnerable while MacConnell's Oryzomys is Least Concern.

Taxonomic Classification

Rank	Brook Floater	MacConnell's Oryzomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Rodentia (Rodents)
Family	Unionidae	Cricetidae
Genus	Alasmidonta	Euryoryzomys
Species	Alasmidonta varicosa	Euryoryzomys macconnelli

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

MacConnell's Oryzomys

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	MacConnell's Oryzomys
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.

MacConnell's Oryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.