Merriam’s Pocket Mouse vs Spiny Threadwort

Perognathus merriami compared with Cephaloziella spinigera

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Spiny Threadwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Jungermanniopsida (Jungermanniopsida)
Order	Rodentia (Rodents)	Jungermanniales (Jungermanniales)
Family	Heteromyidae	Cephaloziellaceae
Genus	Perognathus	Cephaloziella
Species	Perognathus merriami	Cephaloziella spinigera

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Spiny Threadwort

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spiny Threadwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.