Dune Brittlestem vs Pacific Spiny-rat

Psathyrella ammophila compared with Proechimys decumanus

Key Differences

• Dune Brittlestem is Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Dune Brittlestem	Pacific Spiny-rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Rodentia (Rodents)
Family	Psathyrellaceae	Echimyidae
Genus	Psathyrella	Proechimys
Species	Psathyrella ammophila	Proechimys decumanus

Conservation Status

Dune Brittlestem

EN — Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Dune Brittlestem	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dune Brittlestem

Habitat

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

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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.