Medusa Brittlestem vs Mentawai Squirrel

Psathyrella caput-medusae compared with Callosciurus melanogaster

Key Differences

• Medusa Brittlestem is Endangered while Mentawai Squirrel is Vulnerable.

Taxonomic Classification

Rank	Medusa Brittlestem	Mentawai Squirrel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Rodentia (Rodents)
Family	Psathyrellaceae	Sciuridae (Squirrels)
Genus	Psathyrella	Callosciurus
Species	Psathyrella caput-medusae	Callosciurus melanogaster

Conservation Status

Medusa Brittlestem

EN — Endangered

Mentawai Squirrel

VU — Vulnerable

Physical Characteristics

Attribute	Medusa Brittlestem	Mentawai Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Medusa Brittlestem

Habitat

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

Range

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

Mentawai Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.