Big-eared Hopping Mouse vs Brook Floater

Notomys macrotis compared with Alasmidonta varicosa

Key Differences

• Big-eared Hopping Mouse is Extinct while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Big-eared Hopping Mouse	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Unionida (Unionida)
Family	Muridae (Mice & Rats)	Unionidae
Genus	Notomys	Alasmidonta
Species	Notomys macrotis	Alasmidonta varicosa

Evolutionary Relationship

Big-eared Hopping Mouse and Brook Floater share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big-eared Hopping Mouse

EX — Extinct

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Big-eared Hopping Mouse	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.