Fatmucket vs Merriam’s Pocket Mouse

Lampsilis siliquoidea compared with Perognathus merriami

Taxonomic Classification

Rank	Fatmucket	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Rodentia (Rodents)
Family	Unionidae	Heteromyidae
Genus	Lampsilis	Perognathus
Species	Lampsilis siliquoidea	Perognathus merriami

Evolutionary Relationship

Fatmucket and Merriam’s Pocket Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fatmucket

LC — Least Concern

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Fatmucket	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fatmucket

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.