Fused Tooth vs Merriam’s Pocket Mouse

Phellodon confluens compared with Perognathus merriami

Key Differences

• Fused Tooth is Vulnerable while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Fused Tooth	Merriam’s Pocket Mouse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Thelephorales (Thelephorales)	Rodentia (Rodents)
Family	Thelephoraceae	Heteromyidae
Genus	Phellodon	Perognathus
Species	Phellodon confluens	Perognathus merriami

Conservation Status

Fused Tooth

VU — Vulnerable

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Fused Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable 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.