Merriam’s Pocket Mouse vs Pseudoscorpion

Perognathus merriami compared with Ephippiochthonius tetrachelatus

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Pseudoscorpion is Not Evaluated.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Pseudoscorpion
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Rodentia (Rodents)	Pseudoscorpiones
Family	Heteromyidae	Chthoniidae
Genus	Perognathus	Ephippiochthonius
Species	Perognathus merriami	Ephippiochthonius tetrachelatus

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Pseudoscorpion

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pseudoscorpion

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Denmark and United States.