Caatinga laucha vs Medusa Brittlestem

Calomys expulsus compared with Psathyrella caput-medusae

Key Differences

• Caatinga laucha is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Caatinga laucha	Medusa Brittlestem
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Cricetidae	Psathyrellaceae
Genus	Calomys	Psathyrella
Species	Calomys expulsus	Psathyrella caput-medusae

Conservation Status

Caatinga laucha

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Caatinga laucha	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Caatinga laucha

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.