Bridge Roller vs Medusa Brittlestem

Ancylis uncella compared with Psathyrella caput-medusae

Key Differences

• Bridge Roller is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Bridge Roller	Medusa Brittlestem
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (artrópodos)	Basidiomycota (Club Fungi)
Class	Insecta (insecto)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (Butterflies & Moths)	Agaricales (Gilled Mushrooms)
Family	Tortricidae	Psathyrellaceae
Genus	Ancylis	Psathyrella
Species	Ancylis uncella	Psathyrella caput-medusae

Conservation Status

Bridge Roller

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Bridge Roller	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden