Mealy Tooth vs Merriam’s Pocket Mouse

Hydnellum ferrugineum compared with Perognathus merriami

Key Differences

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

Taxonomic Classification

Rank	Mealy 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	Bankeraceae	Heteromyidae
Genus	Hydnellum	Perognathus
Species	Hydnellum ferrugineum	Perognathus merriami

Conservation Status

Mealy Tooth

VU — Vulnerable

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Mealy Tooth

Habitat

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

Range

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