Lost case-bearer vs Merriam’s Pocket Mouse

Coleophora vulnerariae compared with Perognathus merriami

Key Differences

• Lost case-bearer is Endangered while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Lost case-bearer	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Coleophoridae	Heteromyidae
Genus	Coleophora	Perognathus
Species	Coleophora vulnerariae	Perognathus merriami

Evolutionary Relationship

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

Conservation Status

Lost case-bearer

EN — Endangered

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Lost case-bearer	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lost case-bearer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.